TY  - BOOK
AU  - Montemayor, Felix M.
TI  - Harmony of logic
SN  - 971-08-5647-2
U1  - FIL 160 M76h 1993 
PY  - 1993///
CY  - Mandaluyong City
PB  - National Book Store
N1  - Includes index; References: page 277
ER  -