TY  - GEN
AU  - Nilsson, Nils J
AU  - Nilsson, Nils J
TI  - Principles of Artificial intelligence
SN  - 81 85198 29 2
U1  - 004.383 8 NIL 
PY  - 1995///
CY  - New Delhi
PB  - Narosa publishing house
KW  - Artificial intelligence
KW  - Production systems
ER  -