%0 Book %A Kühl, Hjalmar S. %A Maisels, F. %A Ancrenaz, M. %A Williamson, E. A. %+ Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Great Ape Evolutionary Ecology and Conservation, Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Best practice guidelines for surveys and monitoring of great ape populations : %G eng %U https://hdl.handle.net/11858/00-001M-0000-0014-3B20-C %@ 978-2-8317-1062-4 %I IUCN %C Gland, Switzerland %D 2008 %P 28 %B Occasional Paper of the IUCN Species Survival Commission %N 36 %U https://portals.iucn.org/library/efiles/documents/ssc-op-036.pdf