Authors: CLARK JD DEHEINZELIN J SCHICK KD HART WK WHITE TD WOLDEGABRIEL G WALTER RC SUWA G ASFAW B VRBA E SELASSIE YH

Citation: Jd. Clark et al., AFRICAN HOMO-ERECTUS - OLD RADIOMETRIC AGES AND YOUNG OLDOWAN ASSEMBLAGES IN THE MIDDLE-AWASH VALLEY, ETHIOPIA, Science, 264(5167), 1994, pp. 1907-1910