1. Aguilar, J.-P., Legendre, S., Michaux, J., & Montuire, S. (1998). Pliocene mammals and climatic reconstruction in the Western Mediterranean area. In J. H. Wrenn, J. P. Suc, & S. A. G. Leroy (Eds.), The Pliocene: Time of change (pp. 109–120). Utah: American Association of Stratigraphic Palynologists Foundation.
2. Agustí, J., Oms, O., Parés, J. M., Martínez-Navarro, B., & Turq, A. (2000). Dating and correlation of early human occupation in the Baza formation (Guadiz-Baza Basin, SE Spain). In D. Lordkipanidze, O. Bar-Yosef, & M. Otte (Eds.), Early humans at the gates of Europe (pp. 113–122). Liège: ERAUL 92.
3. Aiello, L. C. (1993). Neocortex size, group size, and the evolution of language. Current Anthropology, 34, 184–193.
4. Aiello, L. C., & Wells, J. C. K. (2002). Energetics and the evolution of the genus Homo. Annual Review of Anthropology, 31, 323–338.
5. Aiello, L. C., & Wheeler, P. (1995). Expensive-tissue hypothesis: the brain and digestive system in human and primate evolution. Current Anthropology, 36, 199–221.