Ranganathan,S. R. and Gopinath, M.A. <br/><br/>
Prolegomena To Library Classification 

 - 3rd 
 - Bombay  Asia Publishing House  1967 
 - 640p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>251
<br/><br/><label>Dewey Class. No.: </label>251  / G7.J7