TY  - BOOK
AU  - Gray, Peter M. D.
TI  - LOGIC, ALGEBRA AND DATABASES
SN  - 8185095825
U1  - 511.3 
PY  - 1988///
CY  - New Delhi
PB  - Affiliated East-West Press Pvt. Ltd.
KW  - Logic, Symbolic And Mathematical
KW  - Algebra
ER  -