TY  - BOOK
AU  - Klenk,Virginia
TI  - Understanding symbolic logic
SN  - 0139427643 :
U1  - 160 
PY  - 1983///
CY  - Englewood Cliffs
PB  - Prentice-Hall
KW  - Logic, Symbolic and mathematical
N1  - Includes index
ER  -