TY  - BOOK
AU  - Popper,Karl R
AU  - 
TI  - Conjectures and refutation; 
U1  - 121/POC 
PY  - 0000///Routledge
PY  - 1969///
CY  - Lond.
KW  - Knowledge, theory of
KW  -  Philosophy
N1  - Includes index and Bibliography and Glossary.
ER  -