Committee on classification research 

 - Copenhagen:   Danish Centre for Documentation,   1972 
 - 287p. 
 - FID/CR report no. 12 .
<br/><br/> Ranganathan memorial issue 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Report
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.4.001.5  / L2