TY  - BOOK
AU  - Montemayor, Felix M.,
TI  - Harmony of logic
SN  - 9710856472
U1  - 160 
PY  - 1993///
CY  - Manila
PB  - National Book Store
KW  - Logic
KW  - Symbolic and mathematical
N1  - Includes Index; Includes bibliographic references (page 278)
ER  -