Rona Dennis

Distribution and conservation status of the orang-utan (Pongo spp.) on Borneo and Sumatra: how many remain?

Serge A. Wich, Robert C. Lacy, Andrew J. Marshall, 2008, Oryx.

Carbon payments as a safeguard for threatened tropical mammals

Hugh P. Possingham, Kerrie A. Wilson, Serge A. Wich, 2009 .