TY  - BOOK
AU  - Popper,Karl Raimund
TI  - Conjectures and refutations: the growth of scientific knowledge 
SN  - 006131369
PY  - 1968///
CY  - New York
PB  - Harper Torchbooks
KW  - Methodology
KW  - Knowledge, Theory of
KW  - Science
N1  - Originally published in 1962 by Basic Books
ER  -