References
- Leroi-Gourhan, A. 1943. Evolution et Techniques: L’Homme et La Matière. Paris: Editions Albin Michel.
- Shea, J.J. 2017. Stone Tools in Human Evolution: Behavioural Differences among Technological Primates. Cambridge: Cambridge University Press.
- Torrence, R. 1989. Time, Energy and Stone Tools. Cambridge: Cambridge University Press.