Usongo, Leonard
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Pachyderm Vol. 34 (2003): Pachyderm - Research And Review
Preliminary results on movements of a radio-collared elephant in Lobéké National Park, south-east Cameroon
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Pachyderm Vol. 43 (2007): Pachyderm - Research
Preliminary survey of forest elephant crossings in Sangha Trinational Park, central Africa
Abstract PDF