TY  - BOOK
AU  - International Conference on Artificial intelligence, Varna, Bulgaria, 17-20 September, 1984
AU  - Bibel, W., ed.
AU  - Petkoff, B., ed.
TI  - Introduction to artificial intelligence - Proceedings
SN  - 0444877436
U1  - 006.3 
PY  - 1985///
CY  - Amsterdam
PB  - North-Holland
ER  -