TY  - BOOK
AU  - Polya, G
TI  - Mathematics and plausible reasoning, vol.II. patterns of plausible inference
SN  - 069102510x
U1  - 51 
PY  - 1990///
CY  - New Jersey
PB  - Princeton
KW  - MATHEMATICS-REASONING
KW  - PLAUSIBLE INFERENCE
ER  -