TY  - BOOK
AU  - Montemayor, F.
TI  - Harmony of logic
U1  - GC 160 M777 1993 
PY  - 1993///
CY  - Mandaluyong City
PB  - Cacho Cor. Union Sts.
KW  - Logic
N1  - Includes bibliographical references
ER  -