A survey of Tonkin snub-nosed monkeys (Rhinopithecus avunculus) in northern Vietnam.
Nguyen
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Department of Biological Sciences, Barnard College, Columbia University, and Center for Biodiversity and Conservation, American Museum of Natural History, New York, N.Y., USA. nn58@columbia.edu
D000818:Animals; D019352:Censuses; D016673:Colobinae; D005260:Female; D008297:Male; D014744:Vietnam