612.8 Ada I Adam, G. Intereception and behaviour; an experimental study. [Tr. by R. de Chátel. Translation rev. by H. Slucki] Budapest, Akadémiai Kiadé, Publishing, House of the Hungarian Academy of Sciences. 1967 viii, 151 p. ilus, gráficos 25 cm. "References": p. 141-149