TY  - BOOK
AU  - Mitra,Kumar
TI  - Exercises in symbolic logic : a guide book / 
SN  - 8186383751
U1  - 511.3 
PY  - 2000///
CY  - Kolkata : 
PB  - Progressive Publishers , 
KW  - SYUMBOLIC LOGIC
N1  - NULL
ER  -