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Leigh, S. R.; Shea, B. T. 1995. Ontogeny and the evolution of adult body size dimorphism in apes. American Journal of Primatology. 36: 37. doi:10.1002/ajp.1350360104
Wood, B. A. 1978. Relationship between body size and long bone lengths in Pan and Gorilla. American Journal of Physical Anthropology. 50 (1): 23.–25. doi:10.1002/ajpa.1330500104. PMID736111