TY  - BOOK
AU  - Karl  R. Popper
TI  - Logic of Scientific Discovery
U1  - 500 
PY  - 1959///
CY  - New York
PB  - Science Educations Inc
KW  - General Sciences
N1  - Karl  R. Popper: Logic of Scientific Discovery.  New York.  Science Educations Inc, 1959.--(500POP)
ER  -