Clasificacion Decimal Universal 

 - 2.ed abrev. corr. atual 
 - 202 p. 
 - FID ; n. 222 .
<br/><br/><label>Subjects--Corporate Names: </label><br/>International Federation for Information and Documentation
<br/><br/><label>Universal Decimal Class. No.: </label>025.45CDU  / P449c