Langridge, Derek Wilton. <br/><br/>
Subject analysis :  principles and procedures / 
Derek Wilton Langridge. 
 - London :  Bowker-Saur,  1989. 
 - 146 p. 
<br/><br/><label>ISBN: </label>0408030313 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject cataloging.<br/>Classification--Books.<br/>Abstracting.<br/>Indexing.