White, L., Edwards, A. eds.. (2000). Conservation research in the African rain forests:
a technical handbook. Wildlife Conservation Society, New York Download (4MB)
Bennun, L., Davies, G., Howell, K., Newing, H., Linkie, M. (2002) African Forest Biodiversity:
A Field Survey Manual for Vertebrates. Earthwatch Institute Europe, UK Download (1.5MB)
Blake, S. (2005) Long Term System for Monitoring the Illegal Killing of Elephants (MIKE) - Central African Forests:
Final Report on Poplulation Surveys (2003 – 2004). Wildlife Conservation Society, USA Download (2MB)
Hedges, S., Lawson, D. (2006) Monitoring the Illegal Killing of Elephants - Dung survey standards for the
MIKE Programme Download (1MB)