TY  - BOOK
AU  - Kreyche,Robert J.
TI  - Logic for undergraduates
SN  - 0030780950
AV  - BC108 .K7 1970
U1  - 160 
PY  - 1970///]
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Logic
KW  - Local
N1  - Includes bibliographical references
ER  -