TY - JOUR A1 - Bertalanffy, Ludwig von T1 - Comments on Aggression, presented at the 1956 Winter Meeting of the American Psychoanalytic Association, New York City. Y1 - 1956 N1 - Scan of Fromm's xeroxcopy ER - TY - JOUR A1 - Bertalanffy, Ludwig von T1 - A Biologist Looks at Human Nature JF - Scientific Monthly (Jan. 1956), pp. 33-41. Y1 - 1956 N1 - Scan of Fromm's xeroxcopy ER - TY - JOUR A1 - Bertalanffy, Ludwig von T1 - Symbolismus und Anthropogenese JF - B. Rensch (Ed.), Handgebrauch und Verständigung bei Affen und Frühmenschen, Bern (Verlag Hans Huber) 1968, pp. 131-148. Y1 - 1968 ER - TY - BOOK A1 - Bertalanffy, Ludwig von T1 - General system theory, New York (George Braziller) 1969. Y1 - 1969 N1 - Marks in the copy ER - TY - JOUR A1 - Bertalanffy, Ludwig von T1 - Chance Or Law JF - A. Koestler and J. R. Smythies (Eds.), Beyond Reductionism. New Perspectives in the Life Sciences. The Alpbach Symposium 1968, New York (The Macmillan Company) 1970, pp. 56-84. Y1 - 1970 ER -