Expert systems in reference services / 
Christine Roysdon, Howard D. White, editors. 
 - New York :  Haworth Press,  c1989. 
 - xvii, 238 p. :  ill. 
<br/><br/> "Has also been published as The Reference librarian, number 23, 1988"-- T.p. verso. 
<br/><br/><label>ISBN: </label>0866568395 
<br/><br/><label>LCCN: </label>90034036     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Expert systems (Computer science)--Library applications.<br/>Reference services (Libraries)--Automation.