TY  - BOOK
AU  - Manicas,Peter T.
AU  - Kruger,Arthur N.
TI  - Logic: The Essentials
SN  - 0070398933
U1  - 160 MAN 
PY  - 1976///
CY  - New York: 
PB  - McGraw-Hill Book Co
KW  - Logic
N1  - Revision of the authors' Essentials of logic published in 1968
ER  -