TY  - BOOK
AU  - Hurley,Patrick, x
AU  - x
TI  - A concise introduction to logic: x
SN  - 0534011209
U1  - 160/H965c 
PY  - 1982///
CY  - Belmont, California
PB  - Wadsworth Pub.
KW  - Logic
N1  - x
ER  -