TY  - BOOK
AU  - Ignizio, James, P 
TI  - Introduction to expert systems 
SN  - 0-07-112646-5 
U1  - 006.33 ING  
PY  - 1991///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - ARTIFICIAL INTELLIGENCE
ER  -