TY  - BOOK
AU  - Georgacarakos,G.N.
AU  - Smith,R.
TI  - Elementary formal logic
SN  - 007023051X :
AV  - BC50 .G43
U1  - 161 GEO 
PY  - 1979///
CY  - New York
PB  - McGraw-Hill
KW  - Logic
KW  - Philosophy
N1  - Includes index
ER  -