TY - JOUR TI - Quantifying Oldowan Stone Tool Production at Olduvai Gorge, Tanzania N1 - Electronic journal JF - PLOS ONE AU - Reti, Jay S. DO - 10.1371/journal.pone.0147352 PY - 2016-1-25 SP - e0147352 SN - 1932-6203 IS - 1 VL - 11 ER -