Publications

Technical Papers Presented at Professional Meetings (last updated May 2012)

2011

• Ayele, A. Rift basin earth fissure developments and hazard implications, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Bagley, B.C, A. Nyblade, G. Mulibo, F. Tugume, Seismic anisotropy across the east African plateau from shear wave splitting analysis, AGU, Fall Meetings, December.
• Brandt, M., Seismic investigations of the African superplume and its effects, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Cole, J., Potential field modeling of the Bushveld Complex, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Delvaux, D., Active Tectonics in the Rukwa rift, western Tanzania, a review, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Durrheim, R. and H. Ogasawara, Observational studies to mitigate rockbursts in South African gold mines, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Hosny, A., Upper Mantle-crustal structure of Egypt by applying receiver function and joint inversion techniques, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Julia, J., A. Nyblade, M.E. Pasyanos, Joint Inversion of P- and S-Wave Receiver Functions and Surface-Wave Dispersion in Africa, AGU, Fall Meetings, December.
• Julia, J., Nature of the 520km discontinuity under Africa: A receiver function approach, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Kadima Kabongo, K., Salt tectonics features in the Congo basin: 2-D seismic and potential field constraints, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Kgaswane, E., The challenge of imaging the Bushveld Complex using teleseismic data, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Kim, S., A. Nyblade, J. Rhie, C. Baag, T. Kang, Crustal structure of the Main Ethiopian rift inferred from ambient noise tomography, AGU, Fall Meetings, December.
• Ledwaba, L.,Rockburst damage mechanisms at Impala platinum mine, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Mangongolo, A., Surface wave tomography and shear wave velocity structure of the SW margin of the Congo craton, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Manzi, M., 3D reflection seismic imaging of the down-dip extension of Witwatersrand basin ore bodies, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Mulibo, G., A. Nyblade, Fred Tugume, Mantle Structure Beneath East Africa and Zambia from Body Wave Tomography, AGU, Fall Meetings, December.
• Nunley, M., D. Weeraratne, A. Nyblade, Seismic Anisotropy beneath the African Plate using Shear Wave Splitting Measurements from AfricaArray Stations, AGU, Fall Meetings, December.
• O’Donnell, J.P., A. Nyblade, A. Adams, G. Mulibo,  F. Tugume, East African upper mantle shear wave velocity structure derived from Rayleigh wave tomography, AGU, Fall Meetings, December.
• Share, P., Magnetotelluric investigations of the southern African lithosphere, with special reference to the modelling of DC current flow between the Otjiwarongo and Katima Mulilo regions, Namibia, 7th Annual AfricaArray Workshop, Johannesburg, South Africa.
• van der Meijde, M., G. Tedla, A. Nyblade, Crustal Modeling in Africa; Towards high Resolution Models using GOCE Satellite Gravity Data, AGU, Fall Meetings, December.
• Young, A.J., F.Tugume, A. Nyblade, J. Julia, G. Mulibo, The Precambrian crustal structure of East Africa, AGU, Fall Meetings, December.

2010

• Adams, A.N., A. Nyblade and D.S. Weeraratne, Upper mantle structure in East Africa from Rayleigh Wave Tomography using AfricaArray data, AGU, Fall Meetings, December.
• Euler, G. G., D.A. Wiens, and A. Nyblade, Origin of microseisms in equatorial and southern Africa from analysis of broadband arrays, AGU, Fall Meetings, December.
• Gaherty, J.B., D.J. Shillington, A.E. Shuler, W. Kapanje, P. Chindandali, S.L. Nooner, C.J. Ebinger, A. Nyblade, L. Kalindekafe, M.E. Pritchard and C.A. Scholz, 2010, Faulting processes during early-stage rifting: seismicity analysis of the 2009-2010 Northern Malawi earthquake sequence, AGU, Fall Meetings, December.
• Hansen, S. E., A. Nyblade, M.H. Benoit, S. A. Burdick and R.D. van der Hilst, Connecting the African Superplume to the Anomalous Upper Mantle beneath East Africa and Western Arabia: Results from Adaptively Parameterized P-wave Tomography, AGU, Fall Meetings, December.
• Julia, J., E. Matzel. A. Nyblade, and A.J. Rodgers, Lithospheric Velocity Models of Eurasia and the Middle East From the Joint Inversion of P- and S-Wave Receiver Functions and Dispersion Velocicities, AGU, Fall Meetings, December.
• Kgaswane, E.M., A. Nyblade, P. Dirks and R.J. Durrheim, Shear wave velocity structure of the Bushveld Complex, South Africa, AGU, Fall Meetings, December.
• Kim, S., A. Nyblade, T. Kang, J. Rhie and C. Baag,, Rayleigh wave tomography in the Main Ethiopian Rift using ambient noise, AGU, Fall Meetings, December.
• Mulamba, I.K., R.J. Durrheim, A. Nyblade and Julia, Crustal Structure and Composition of the Congo Craton by P-wave Receiver Function Analysis, AGU, Fall Meetings, December.
• Mulibo, G., A. Nyblade and R. Fredinand, Upper Mantle Structure of Eastern Africa from Body Wave Tomography, AGU, Fall Meetings, December.
• Rouse, S.D, R.A. Brazier and A. Nyblade, Tomography of Ethiopia: Implications for the Structure of the Southern Main Ethiopian Riftanomaly, AGU, Fall Meetings, December.
• Telda, G., M. van der Meijde and A. Nyblade, Crustal modeling in Africa; towards high resolution models using GOCE satellite gravity data, AGU, Fall Meetings, December.
• Tugume, F., A. Nyblade, J. Julia and G. Mulibo, The crustal structure of East Africa, AGU, Fall Meetings, December.

2009

• Adams, A. and A. Nyblade,  Rayleigh Wave Phase Velocity and Shear Wave Velocities in the Western Branch of the East African Rift System, AGU, Fall Meetings, December.
• Koch, F., D. A. Wiens, A. Nyblade, A. M. Reusch, G. G. Euler, and P. Shore, Seismic Anisotropy Beneath the Cameroon Volcanic Line from SKS and SKKS Splitting Analysis, AGU, Fall Meetings, December.
• Kgaswane, E., A,B, Adams, and A. Nyblade, Shear wave velocity structure of the upper mantle beneath southern Africa from Rayleigh wave tomography,  AGU, Fall Meetings, December.
• Mulibo, G.D., A. Nyblade, R. W. Ferdinand, A. M. Reusch, A. N. Adams, and F. A. Tugume, Upper Mantle Structure of the Eastern Africa from Body Wave Tomography, AGU, Fall Meetings, December.
• Nyblade, A., S. E. Hansen, M. H. Benoit, S. A. Burdick, and R. D. van der Hilst, Adaptive Gridding Tomography: refining P-wave velocity models for mantle structure beneath Africa, AGU, Fall Meetings, December.
• Reusch, A., A. Nyblade, D. A. Wiens, R. Tibi, P. Shore, and G. G. Euler, Constraining formation models for the Cameroon Volcanic Line using broadband seismic data, AGU, Fall Meetings, December.
• Rouse, S., A. Nyblade, and R. A. Brazier, Crustal and Uppermost Mantle Velocities Beneath Ethiopia from Pn and Surface Wave Tomography,. AGU, Fall Meetings, December.
• Telda, G. and M. van der Meijde, Crustal structure in Africa from satelite gravity modeling ,AGU, Fall Meetings, December.
• Tokam, A., C. Tabod, A. Nyblade, A. M. Reusch, J. Julia, G. G. Euler, D. A. Wiens, R. Tibi, P. Shore, and B. Ateba, Structure of the crust beneath Cameroon (West Africa) from the joint inversion of Rayleigh Wave group velocities and receiver functions, AGU, Fall Meetings, December.
• Tugume, F.A, J. Julia, A. Nyblade, and  A. N. Adams, The crustal structure of Uganda inferred from joint inversion of receiver functions and Rayleigh wave group velocities, AGU, Fall Meetings, December.
• Mulibo, G. and A. Nyblade, Upper mantle structure beneath Eastern Africa from body‐wave tomography, 5th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Kgaswane, E., A. Nyblade, R. Durrheim, P. Dirks and S. Webb, Upper crustal structure of the Bushveld Complex using high‐frequency Rayleigh wave tomography, 5th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Boomer, K., R. Brazier, and A. Nyblade, Developing ground truth criteria for seismic event locations using data from South African gold mines, 5th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Benyene, B. J. Julia, A. Nyblade, and R. Durrheim, Source locations and mechanisms or seismic events in the Carletonville Mining District, 5th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Tugume, F. , J. Julia, and A. Nyblade, Crustal structure in Uganda from receiver functions, 5th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Adams, A. and A. Nyblade, Upper mantle structure beneath southern Africa from  Rayleigh wave tomography, 5th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Rouse, S., R. Brazier, and A. Nyblade, Pn and Sn velocities beneath the Main Ethiopian Rift, 5th Annual AfricaArray Workshop, Johannesburg, South Africa.
• Julià, J., A. Nyblade, R. Durrheim, L. Linzer, P. Dirks, R. Gök, W. Walter, Source mechanisms of mine related seismicity, IASPEI meeting, Cape Town, South Africa, February
• Reusch, A., A. Nyblade, D. Wiens, R. Tibi, B. Ateba, C. Tabod, Regional body-wave tomography reveals a linear deep-seated low-velocity zone beneath the Cameroon volcanic line, IASPEI meeting, Cape Town, South Africa, February

2008

• Julia J., A. Nyblade, R. Gok, W. Walter, L. Linzer, R.J. Durrheim, P. Dirks, and S. Spottiswoode, Estimati ng Moment Tensor Solutions at Savuka Gold Mine, South Africa, With a Sparse 3D Network, Seismological Society of America, Annual Meeting Santa Fe, NM, April
• Kgaswane, E., Crustal Structure of Southern Africa From the Joint Inversion of Receiver Functions and Rayleigh Wave Group Velocities, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Brandt, M., Upper Mantle S Velocity Structure of Southern Africa From Inverting Regional Waveforms, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Mangongolo, A., Rayleigh Wave Group Velocity Tomography for Southern Africa, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Adams, A., Rayleigh Wave Group Velocity Tomography of the Kalahari Craton, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Hansen, S., Upper Mantle Structure Under Southern Africa From S Receiver Functions, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Tugume, F., Heat Flow in the Western Rift, Uganda Constrained by the Depth Extent of Seismicity, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Daudi, G., Earthquake Swarms in Northern Tanzania: Faulting or Diking,? 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Wanassi, J., Seismicity in Angola and the Angola Seismic Network, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Calais, E., Geodetic Constraints on Rifting Processes in East Africa, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Scheiber, S., Deformation of Torfajokull Caldera, Iceland, 4 th Annual AfricaArray Workshop, Johannesburg, South Africa
• Julia J., Nyblade A., Durrheim R.J., Linzer L., Dirks, P., Gok, R. and Walter W., Full Moment Tensor Solutions From Spectral Amplitudes at Savuka Gold Mine, South Africa, 4 th Annual AfricaArray meeting, June
• Kgaswane, E., Nyblade A., and Dirks, P., Crustal Structure of Southern Africa from the Joint Inversion of Receiver Functions and Rayleigh Wave Group Velocities. 4 th Annual AfricaArray Meeting, June
• Kwadiba, MTOG., Durrheim R.J., Dirks, PHGM., James, D.E., Lei, J. and Zhao, D. Geotomography of the Mantle Structure Down to 100km Depth Beneath the Kaapvaal Craton and Adjacent Mobile Belts Using First P-wave Arrivals From Seismic Events Recorded in the Kaapvaal Seismic Network. 4 th Annual AfricaArray meeting, June
• Wanassi J.M., Nyblade, A., Durrheim R. And Dirks P., Seismicity in Angola and the Angolan Seismic Network. 4th Annual AfricaArray meeting, June
• Dirks P., Lehnert K., Wilson, A. Chunnett G. & Cloete, M., Building Capacity in Africa Through Geoinformatics Application in Geochemistry. IGC08, Oslo, Norway, August
• Dugda, M., A. Nyblade, J. Julia, D. Wiens, A. Reusch, Crustal structure in Cameroon from receiver function analysis, Eos Trans. AGU, December.
• Hansen, S., A. Nyblade, J. Julia, P. Dirks, R. Durrheim, Low-velocity zone structure beneath the Kaapvaal Craton from S-wave receiver functions, Eos Trans. AGU, December.
• Julia, J., S. Hansen, and A. Nyblade, Joint inversion of P- and S-wave receiver functions and surface wave dispersion velocities, Eos Trans. AGU,  December.
• Kgaswane, E., A. Nyblade, P. Dirks, M. Pasyanos, J. Julia, and R. Durrheim, Crustal structure of Southern Africa, Eos Trans. AGU, December.
• Kim, S., T. Kang, C. Baag, and A. Nyblade, Surface-wave tomography of East African rift system using ambient noise tomography, Eos Trans. AGU, December.
• Kgaswane E., Nyblade A., Webb S., Dirks P., Durrheim R., Shear Wave Velocity Structure of the Bushveld Complex. AGU, December
• Kgaswane E., Nyblade A., Dirks P., Pasyanos M., Julia. J., Durrheim R., Crustal Structure and Tectonic Evolution of the Kaapvaal Craton AGU, December.
• Nyblade, A., J. Julia, R. Gok, W. Walter, R. Durrheim, L. Linzer and P. Dirks, Source mechanisms of mine-related seismicity, Savuka Mine, South Africa, Eos Trans. AGU, December.
• Reusch, A., A. Nyblade, D. Wiens, R. Tibi, P. Shore, G. Euler, and I. Bastow, Regional body-wave tomography reveals a linear deep-seated low-velocity zone beneath the Cameroon volcanic line, Eos Trans. AGU, December.
• Webb, S., E. Kgaswane, A. Nyblade, P. Dirks, and R. Durrheim, Shear wave velocity structure of the Bushveld Complex, Eos Trans. AGU, December.

2007

• Reusch, A., A. Nyblade, D. Wiens, R. Tibi, P. Shore, G. Euler, A. Bekoa, J. Nnange, C. Tabod, Y. Park, Preliminary Body-wave Tomography of the Cameroon Volcanic Line: Linear Anomaly in a Convecting Mantle, IUGG meeting, Perugia, Italy
• Nyblade, A., P. Dirks, and G. Graham, AfricaArray: Building Science Capacity and Improving Seismic Networks in Africa, Spring meeting, Eos, Trans. AGU, 88, spring meeting supplement
• Nyblade, A., W. Walter, R. Gok, L. Linzer and R. Durrheim, Developing and Exploiting a Unique Seismic data Set from South African Gold Mines for source Characterization and Wave Propagation, 29 th Seismic Research Review on Nuclear Explosion Monitoring, Denver, CO, abstract vol
• Kgaswane, E., A. Nyblade, P. Dirks, M. Pasyanos, J. Julia, Crustal Structure And Tectonic Evolution Of The Kaapvaal Craton, EOS, Trans. AGU, 88, fall meeting supplement
• Dirks, P, E. Kgaswane, A. Nyblade, Shear Wave Velocity Structure of the Bushveld Complex, EOS, Trans. AGU, 88, fall meeting supplement
• Adams, A., A. Nyblade, D. Weeraratne, Rayleigh Wave Tomography of Southern Africa:
• Preliminary Results from AfricaArray, EOS, Trans. AGU, 88, fall meeting supplement
• Jemberie, A.L., A. Nyblade, Low Intrinsic Attenuation and High Scattering Attenuation Near 1Hz in the Crust of the Tanzanian Craton, EOS, Trans. AGU, 88, fall meeting supplement
• Julia, J., A. Nyblade, R. Gok, W. R. Walter, L. Linzer, R. J. Durrheim, P. Dirks, Cataloguing Seismic Waveform Properties Recorded With a 3D Network in a Gold Mine in South Africa, EOS, Trans. AGU, 88, fall meeting supplement
• Gok, R., W. R. Walter, L. Linzer, J. Julia, A. Nyblade, Characterizing Source Properties of Events in Southern Africa, EOS, Trans. AGU, 88, fall meeting supplement
• Dugda, M.T., A. Nyblade, J. Julia, Comparison of the Lithospheric Structure Beneath Kenya and Ethiopia From Joint Inversion of Receiver Functions and Rayleigh Wave Dispersion Velocities, EOS, Trans. AGU, 88, fall meeting supplement
• Reusch, A.M., A. Nyblade, D. Wiens, R. Tibi, P. Shore, G. G. Euler, Y. Park, J. M. Nnange, B. Ateba, C. Tabod, P- and S-wave Tomography of the Cameroon Volcanic Line Used to Discriminate Between Formation Models, EOS, Trans. AGU, 88, fall meeting supplement
• Nyblade, A., and A. D. Huerta, Structure of the Mantle Transition Zone Beneath Kenya, East Africa, EOS, Trans. AGU, 88, fall meeting supplement
• Dirks, P., AfricaArray: Establishment of a New Seismic Network in Africa. Capacity Buiding Symposium, GEO/UN, 10-13
• Durrheim, R., The Kaapvaal Project; What Have We Learned and Where Next?, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Brandt, M., Upper Mantle Structure of Southern Africa, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Kgaswane, E., Crustal Structure of Southern Africa, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Meijde van der, M., Gravity and African Tectonics, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Hamilton , M., Results from the Southern African MT Experiment, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Webb, S., Tectonic Evolution of the Bushveld Complex, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Coomber, Stephen, Imaging the Bushveld Complex, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Gwavava, O., Evolution of the Zambezi Rift and New Geophysical Constraints of the Limpopo Belt, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Ferdinand, R., Seismic Hazards in Arusha, Tanzania, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• King, J., Seismicity Related to the Development of the Okavango Delta, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Idris, A., Mine Seismicity in W Rand, SA, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Mangongolo, A., Seismicity in Namibia, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Mulibo, G. and A. Nyblade, Seismicity and depth distribution of earthquake swarms in Northern and Central Tanzania, along the eastern branch of the the East African Rift system, 3 rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Wanassi, J., The New Angola Seismic Network, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Nyblade, A., Mantle Tomography of the African Super-Plume, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Mavonga, G., Seismicity of Mt. Nyiragongo, Democratic Republic of Congo, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa
• Scheiber, S., The Geodetic Investigation of Torfajokull Volcano, Iceland, 3rd Annual AfricaArray Workshop, Johannesburg, South Africa

2006

• Reusch, A., A. Nyblade, D. Wiens, R. Tibi, P. Shore, G. Euler, A. Bekoa, J. Nnange, C. Tabod, Y. Park, Preliminary Body-wave Tomography of the Cameroon Volcanic Line: Linear Anomaly in a Convecting Mantle, IUGG meeting, Perugia, Italy
• Nyblade, A., P. Dirks, and G. Graham, AfricaArray: Building Science Capacity and Improving Seismic Networks in Africa, Spring meeting, Eos, Trans. AGU, 88, spring meeting supplement
• Nyblade, A., W. Walter, R. Gok, L. Linzer and R. Durrheim, Developing and Exploiting a Unique Seismic data Set from South African Gold Mines for source Characterization and Wave Propagation, 29 th Seismic Research Review on Nuclear Explosion Monitoring, Denver, CO, abstract vol
• Kgaswane, E., A. Nyblade, P. Dirks, M. Pasyanos, J. Julia, Crustal Structure And Tectonic Evolution Of The Kaapvaal Craton, EOS, Trans. AGU, 88, fall meeting supplement
• Dirks, P, E. Kgaswane, A. Nyblade, Shear Wave Velocity Structure of the Bushveld Complex, EOS, Trans. AGU, 88, fall meeting supplement
• Adams, A., A. Nyblade, D. Weeraratne, Rayleigh Wave Tomography of Southern Africa: Preliminary Results from AfricaArray, EOS, Trans. AGU, 88, fall meeting supplement
• Jemberie, A.L., A. Nyblade, Low Intrinsic Attenuation and High Scattering Attenuation Near 1Hz in the Crust of the Tanzanian Craton, EOS, Trans. AGU, 88, fall meeting supplement
• Julia, J., A. Nyblade, R. Gok, W. R. Walter, L. Linzer, R. J. Durrheim, P. Dirks, Cataloguing Seismic Waveform Properties Recorded With a 3D Network in a Gold Mine in South Africa, EOS, Trans. AGU, 88, fall meeting supplement
• Gok, R., W. R. Walter, L. Linzer, J. Julia, A. Nyblade, Characterizing Source Properties of Events in Southern Africa, EOS, Trans. AGU, 88, fall meeting supplement
• Dugda, M.T., A. Nyblade, J. Julia, Comparison of the Lithospheric Structure Beneath Kenya and Ethiopia From Joint Inversion of Receiver Functions and Rayleigh Wave Dispersion Velocities, EOS, Trans. AGU, 88, fall meeting supplement
• Reusch, A.M., A. Nyblade, D. Wiens, R. Tibi, P. Shore, G. G. Euler, Y. Park, J. M. Nnange, B. Ateba, C. Tabod, P- and S-wave Tomography of the Cameroon Volcanic Line Used to Discriminate Between Formation Models, EOS, Trans. AGU, 88, fall meeting supplement
• Nyblade, A., and A. D. Huerta, Structure of the Mantle Transition Zone Beneath Kenya, East Africa, EOS, Trans. AGU, 88, fall meeting supplement
• Dirks, P., AfricaArray: Establishment of a New Seismic Network in Africa. Capacity Buiding Symposium, GEO/UN, 10-13
• Durrheim, R., The Kaapvaal Project; What Have We Learned and Where Next,? 3rd Annual AfricaArray Workshop, Johannesburg, South Africa

2005

• • Dirks, P., Nyblade, A., Webb, S., and Jones, M., AfricaArray: sustainable geophysics training in Africa. 18th World Petroleum Congress, Johannesburg, SA
  • Dirks, P., Nyblade, A., Smith, M., Webb, S.J, Cooper, G..R.J and Jones, M.Q.W, AfricaArray: First results and current status, 9th SAGABbiennial Conference, September13-16, Cape Town