Dewey, Melvil <br/><br/>
Dewey decimal classification and relative index  introduction-Tables Vol. 4 

 - 20th. 
 - New York   OCLC online computer library center   1989 
 - vii, 959p.  23cm. 
<br/><br/><label>ISBN: </label>09100606415 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification<br/>Dewey decimal
<br/><br/><label>Dewey Class. No.: </label>025.431  / DEW