Classification research 
/ Third international study conference on classification research Bombay, 6-11 January, 1975 
 - Sweden:   Stockholm University and Royal Institute of Technology,   1975 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conference
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.4(082.2)  / L9