TY  - BOOK
AU  - Hughes , G.E. .
AU  - Londey, D.G. .
TI  - The Elements of Formal Logic
U1  - 160 
PY  - 1965///
CY  - Bombay
PB  - B.I. Publications
KW  - Logic
KW  - Formal Logic
KW  - G-Philosophy
ER  -