TY  - BOOK
AU  - Brownston, Lee.
TI  - Programming expert systems in OPS5: an introduction to rule-based programming 
T2  - The Addison-Wesley series in artificial intelligence
SN  - 0201106477
PY  - 1985///
CY  -   Reading, Mass.
PB  - Addison-Wesley
KW  - Expert systems (Computer science)
KW  - Computer programming
KW  - OPS5 (Computer program language)
N1  - Includes index; Includes bibliographical refernces : p. 412-417
ER  -