Improving the accuracy of forest elephant census methods : studies of dung decay rates in Ghana and Cameroun 1994 Barnes, R. F. W. | Asamoah-Boateng, B. | Naada Majam, J. | Agyei-Ohemeng, J. | Tchamba, Martin | Ekobo, A. | Nchanji, A. |
Forest elephant biology in Dzanga-Sangha, Central African Republic 1994 Turkalo, Andrea | Fay, Michael | Georgiadis, Nicholas |