Template:Beard, 1991
- Beard, K. C. 1991. Vertical postures and climbing in the morphotype of Primatomorpha: Implications for locomotor evolution in primate history. In: Coppens, Y. and Senut, B. (eds.), Origine(s) de la Bipedie chez les Hominides (Cahiers de Paléoanthropologie), Éditions du Centre National de la Recherche Scientifique. pp. 79–87. CNRS, Paris. ISBN 978-2-2220-4602-8