Eisenberg, J.F. (1973). "Reproduction in two species of spider monkeys, Ateles fusciceps and Ateles geoffroyi". Journal of Mammalogy. 54 (4): 955–957. doi:10.2307/1379089. JSTOR1379089. PMID4202565.
Eisenberg, J.F. (1976). "Communication mechanisms and social integration in the black spider monkey (Ateles fusciceps robustus), and related species". Smithsonian Contributions to Zoology. 213 (213): 1–108. doi:10.5479/si.00810282.213.
Eisenberg, J.F. (1973). "Reproduction in two species of spider monkeys, Ateles fusciceps and Ateles geoffroyi". Journal of Mammalogy. 54 (4): 955–957. doi:10.2307/1379089. JSTOR1379089. PMID4202565.
nih.gov
pubmed.ncbi.nlm.nih.gov
Eisenberg, J.F. (1973). "Reproduction in two species of spider monkeys, Ateles fusciceps and Ateles geoffroyi". Journal of Mammalogy. 54 (4): 955–957. doi:10.2307/1379089. JSTOR1379089. PMID4202565.