Advances in the biology of human populations : the ninth Congress of the Hungarian Biological Society, Budapest, 6th-8th May, 1970 - Törő, Imre, 1900-1993; Szabady, Egon, 1917-1999; Nemeskéri, János, 1914-1989; Eiben, O. G. (Akadémiai Kiadó, 1972)