Dahlberg, Ingetraut <br/><br/>
Ontical structures and Universal classification 

 - Bangalore  Sarada Ranganathan Endowment for Library Science  1978 
 - xii,64p.  24 cm. 
 - Sarada Ranganathan Endowment for Library Science Series .
<br/><br/><label>Dewey Class. No.: </label>025.42,D,Dah  / _