TY  - BOOK
AU  - Beth,Evert Willem
TI  - Aspects of modern logic
SN  - 90 27701733
AV  - BC78.D8B413 
PY  - 1971///
CY  - Dordrecht
PB  - : Reidel Publishing Company
KW  - Logic
N1  - Includes bibliography

ER  -