Malinowski, Andrzej, Marian Jakubowicz, and Bogusław Marecki. “Morphology of Selected Trunk Muscles of a Gibbon”. Anthropological Review 43, no. 2 (December 30, 1977): 335–346. Accessed February 10, 2026. https://www.czasopisma.uni.lodz.pl/ar/article/view/21349.