TY  - GEN
AU  - Rich , Elaine
AU  - Knight , Kevin
TI  - Artificial intelligence
SN  - 9780071008945
U1  - 006.3 
PY  - 1991///
CY  - USA.
PB  - McGraw -Hill
KW  - COMPUTER SCIENCE
KW  - ADVANCED TOPICS
KW  - PROBLEMS AND SEARCH
KW  - KNOWLEDGE REPRESENTATION
ER  -