TY  - BOOK
AU  - Bachhuber,Andrew H.
TI  - Introduction to logic / 
SN  - 9710813005
U1  - 160 B122 1957 
PY  - 1957///
CY  - New York
PB  - Appleton-Century Crafts
KW  - Logic
N1  - Includes index
ER  -