TY  - BOOK
AU  - Dalen,Dirk van
TI  - Logic and structure
SN  - 0387098933
U1  - 511 
PY  - 1980///
CY  - Berlin, New York
PB  - Springer-Verlag
KW  - Logic, Symbolic and mathematical
N1  - Includes index; Bibliogr.: p. [168]
ER  -