TY - BOOK AU - Berg,J.H.van den TI - The changing nature of man: introduction to a historical psychology by J. H. Van Den Berg. Translated from the Dutch by H. F. Croes With a new introd. PY - 1975/// CY - New York PB - Dell Pub. Co. KW - Genetic psychology KW - Change (Psychology) N1 - Translation of Metabletica ER -