TY  - BOOK
AU  - Dreisbach,Christopher
AU  - Cavalier,Robert J.
TI  - Study guide to accompany Barker: The elements of logic
SN  - 0070037329
PY  - 1989///
CY  - New York [etc.]
PB  - McGraw-Hill
KW  - Barker, Stephen Francis,
KW  - Logica
KW  - Manuali
KW  - sbaa
ER  -