Giarratano, Joseph C. <br/><br/>
Expert systems :  principles and programming / 
Joseph Giarratano, Gary Riley. 
 - 2nd ed. 
 - Boston :  PWS,  1994. 
 - xvi, 644 p. :  ill. ;  25 cm. 
 - The PWS series in computer science. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534937446 (hbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Expert systems (Computer science).<br/>CLIPS (Computer program language)<br/>Rule-based programming.