White, Brent C., Jason Beare, Jodi A. Fuller, and Lisa A. Houser. 2003. “Social Spacing in a Bachelor Group of Captive Woolly Monkeys (Lagothrix Lagotricha)”. Neotropical Primates 11 (1): 35-38. https://doi.org/10.62015/np.2003.v11.532.