TY  - GEN
AU  - Waterman, Donald A
AU  - Waterman, Donald A
TI  - A guide to expert systems
SN  - 9 780201 526363
U1  - 004.383 8 WAT 
PY  - 1999///
CY  - Reading, Massachusetts
PB  - Addison - Wesley
KW  - Expert systems
ER  -