Dewey, Melvil  <br/><br/>
Dewey decimal clasification and relative index 

 - 18 ed. 
 - New York :   Forest,   1971 
 - 3 v 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bibliotecologia-Clasificacion
<br/><br/><label>Dewey Class. No.: </label>025.4300 D511d18