TY  - BOOK
AU  - Black,W.J.
TI  - Intelligent knowledege base systems : an introduction
SN  - 0442317727
U1  - Q/335 
PY  - 1986///
CY  - Berkshire
PB  - Van Nostrand Reinhold
KW  - Artificial intelligence.
KW  - Expert systems (Computer science)
ER  -