References

• 1974Observational Study of Behavior: Sampling Methods13,888 cited
• 1979Review of Psychometric theory (2nd ed.).11,425 cited
• 1980Morphology of the gastrointestinal tract in primates: Comparisons with other mammals in relation to diet591 cited
• 1998Dietary Response of Chimpanzees and Cercopithecines to Seasonal Variation in Fruit Abundance. II. Macronutrients425 cited
• 1998Dietary Response of Chimpanzees and Cercopithecines to Seasonal Variation in Fruit Abundance. I. Antifeedants340 cited
• 1997The primate community of the Lopé reserve, Gabon: Diets, responses to fruit scarcity, and effects on biomass288 cited
• 1990Gorilla diet in the Lopé Reserve, Gabon:251 cited
• 1991Foraging profiles of sympatric lowland gorillas and chimpanzees in the Lopé Reserve, Gabon249 cited
• 1996Sympatric chimpanzees and gorillas in the Ndoki Forest, Congo219 cited
• 1997Western lowland gorillas (Gorilla gorilla gorilla) as seasonal frugivores: Use of variable resources215 cited
• 1984Body Size and Skeletal Allometry in African Apes195 cited
• 1998Condensed tannins and sugars in the diet of chimpanzees ( Pan troglodytes schweinfurthii ) in the Budongo Forest, Uganda162 cited
• 2001Nutritional Aspects of Western Lowland Gorilla (Gorilla gorilla gorilla) Diet During Seasons of Fruit Scarcity at Bai Hokou, Central African Republic129 cited
• 1985