TY  - BOOK
AU  - Schipper,Edith Watson
AU  - Schuh,Edward
TI  - A first course in modern logic
T2  - A Holt-Dryden book
U1  - 160 22
PY  - 1959///
CY  - New York
PB  - Holt
KW  - Logic, Symbolic and mathematical
N1  - Includes index
ER  -