A. R. Hughes and P. V. Tobias. A fossil skull probably of the genus Homo from Sterkfontein, Transvaal. Nature, volume 265, issue 5592, pages 310-312, January 1977.

A. R. Hughes and P. V. Tobias. A fossil skull probably of the genus Homo from Sterkfontein, Transvaal. Nature, nature.com, volume 265, issue 5592, pages 310-312, January 1977.