TY  - BOOK
AU  - 
AU  - Reinfrank, M., Ed.
ED  - International Workshop on Non-Monotonic Reasoning
TI  - Non-Monotonic reasoning: proceedings..
SN  - 3540507019
U1  - 001.535 
PY  - 1989///
CY  - Berlin
PB  - Springer-Verlag
KW  - Artificial intelligence
ER  -