Programming expert systems in OPS5 :  an introduction to rule-based programming / 
 Rule-based programming. 
Lee Brownston ... [et al.]. 
 - Reading, Mass. :  Addison-Wesley,  c1985. 
 - xviii, 471 p. :  ill. ;  24 cm. 
 - The Addison-Wesley series in artificial intelligence. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical refernces : p. 412-417. 
<br/><br/><label>ISBN: </label>0201106477 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Expert systems (Computer science)<br/>Computer programming.<br/>OPS5 (Computer program language)