Bernd Steinhauer-Burkart

A census of the eastern lowland gorillas Gorilla gorilla graueri in Kahuzi-Biega National Park with reference to mountain gorillas G. g. beringei in the Virunga Region, Zaire

J. Yamagiwa, T. Yumoto, Ndunda Mwanza, 1993 .

POPULATION DENSITY AND RANGING PATTERN OF CHIMPANZEES IN KAHUZI-BIEGA NATIONAL PARK , ZAIRE : A COMPARISON WITH A SYMPATRIC POPULATION

J. Yamagiwa, J. Refisch, T. Yumoto, 2004 .

Distribution and status of the hippopotamids in the Ivory Coast

M. Mühlenberg, F. Fischer, Bernd Steinhauer-Burkart, 2004 .

Population Density and Ranging Pattern of Chimpanzees in Kahuzi-Biega National Park, Zaire: A Comparison with a Sympatric Population of Gorillas

J. Yamagiwa, J. Refisch, T. Yumoto, 1992 .