TY  - GEN
AU  - Hanson, Norwood Russel       
TI  - Patterns of discovery: an inquiry into the conceptual foundations of science
U1  - 501 
PY  - 1958///
CY  - Cambridge [Eng.]
PB  - University Press,1958
KW  - Science
KW  - Philosophy
N1  - Distributer: Al-Ahram; Catalogued by: wessam
ER  -