TY  - BOOK
AU  - Rich, Elaine
AU  - Kevin Knight
TI  - Artificial intelligence / 
SN  - 0070522634
U1  - 510.78 RIC K 
PY  - 1991///.
CY  - New Delhi : 
PB  - Tata McGraw-Hill Publishing, 
KW  - Artificial intelligence
ER  -