TY  - BOOK
AU  - Gensler,Harry J.
TI  - Introduction to logic
SN  - 9780415996501 (hc)
AV  - BC71 .G37 2010
U1  - 160 GEN/Int 
PY  - 2010///
CY  - New York
PB  - Routledge
KW  - Logic
N1  - Includes bibliographical references and index
ER  -