Freeman, Robert R <br/><br/>
Research project for the evaluation of the UDC as the indexing language for a mechanized reference retrieval system :  an introduction 

 - 7 p. 
 - Documentation Research Project report n.AIP/DRP UDC-1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indexação
<br/><br/><label>Universal Decimal Class. No.: </label>025.45  / F855r