Encyclopedia of library and information science / 
edited by Allen Kent. 
 - New York :  Marcel Dekker,  c 1986. 
 - Vols. ;  25 cm. 
<br/><br/>V. 41- Supplement 6 ; 
<br/><br/>328  328 
<br/><br/><label>ISBN: </label>0-8247-2041-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library and information science--Encyclopedia.
<br/><br/><label>Dewey Class. No.: </label>020.3 / E19