TY  - BOOK
AU  - Piet, John H. (Ed.)
AU  - Piet, John H. (Ed.) Prasad A. (Ed.)
TI  - Formal logic
U1  - R1 
PY  - 2000///
CY  - New Delhi
PB  - Mrs. Ranikapoor For Cosmo Publication
KW  - R1
ER  -