Scott, Mona L. <br/><br/>
Dewey Decimal Classification ( 21st Edition) 

 - London:  Libraries Unlimited,  2004. 
 - 198p.;  23cm 
<br/><br/><label>ISBN: </label>1-56308-598-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dewey decimal classification<br/>Library Science
<br/><br/><label>Dewey Class. No.: </label>025.431  / SCO