TY  - BOOK
AU  - GUPTA (N N Sen)
TI  - Groundwork of logic part.1: Principles of deduction
U1  - 160/80 
PY  - 0000///
CY  - Calcutta
PB  - Not Mentioned
KW  - Principles
KW  - part.1
KW  - of
KW  - logic
KW  - Groundwork
KW  - deduction
ER  -