TY  - BOOK
ED  - INT. Con. on concept and the role of the model in mathematics and natural and social sciences (1960 : Utrecht)
TI  - Proceeding on concept and the role of the model in mathematics and natural and social sciences
T2  - Synthese library; 3
U1  - A:Rp1:N60, K2 
PY  - 1961///
CY  - Dordrech
PB  - Holland D Reidel Publisher      
KW  -  Philosophy of science
KW  - Science
ER  -