de la Torre Sáinz, I., R. Mora Torcal, and M. Domínguez-Rodrigo. “Lithic Technology of the ‘St Site Complex’ from Peninj (Lake Natron, Tanzania): Analysis of an African Oldowan Assemblage”. Trabajos De Prehistoria, vol. 61, no. 1, June 2004, pp. 23-45, doi:10.3989/tp.2004.v61.i1.27.