Richardson, John V.,  1949- <br/><br/>
Knowledge-based systems for general reference work :  applications, problems and progress / 
John V. Richardson 
 - San Diego :  Academic Press,  c1995 
 - xix, 355 p. :  ill. ;  24 cm. 
 - Library and information science .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0125884605 :  USD 49.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)--Automation<br/>Expert systems (Computer science)
<br/><br/><label>Dewey Class. No.: </label>025.520285