TY - BOOK AU - Kazemier B H Ed. AU - Vuysje D Ed. ED - SYMPOSIUM ON THE CONCEPT AND THE ROLE OF THE MODEL IN MATHEMATICS AND NATURAL AND SOCIAL SCIENCES (1960 : Utrecht) TI - Proceedings on the concept and the role of the model in mathematiics and natural and social science U1 - A:R14, K1 PY - 1961/// KW - Philosophy of science ER -