Some Aspects of the Evolution of Early Hominid Sexual Dimorphism [and Comments and Reply] Vaclav Hajn, Franciszek Rosinski, Vyjayanthi V. Rao, TURHON A. MURAD, Emiliano Aguirre, Saša Živanović, Michael I. Siegel, Fred H. Smith, Bernard A. Wood, Milford H. Wolpoff, M.J. Becker, E. Trinkaus • 1976