Illegal killing for ivory drives global decline in African elephants
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George Wittemyer | Joseph M Northrup | Iain Douglas-Hamilton | Joseph M. Northrup | Kenneth P Burnham | K. Burnham | P. Omondi | G. Wittemyer | I. Douglas‐Hamilton | J. Northrup | J. Blanc | Julian Blanc | Patrick Omondi | I. Douglas-Hamilton
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