00000cam a22000001a 4500 UP-1685675941123763653 Buklod 20071009080748.0 a r |||| 1| ta 700914s1968 mdu rb |000 0|eng d (iLib)UPTAC-00000006368 UPVTC eng Q 175 A25 Achinstein, Peter. Concepts of science a philosophical analysis. Baltimore Johns Hopkins Press [c1968] 266 p. Science Methodology. FO UPTAC UPTAC Q 175 A25 Book