PROQUEST: controlled vocabulary and classification codes 
/ PROQUEST: controlled vocabulary and classification codes 
 - USA  UMI ,A bell & Howell  company 
 - ii, 360 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indexing
<br/><br/><label>Dewey Class. No.: </label>25.3  / PRO