Ranganathan, S.R. <br/><br/>
Colon classification 
S.R. Ranganathan. 
 - 7th ed. 
 - Bangalore  Sarda Ranganathan For Library Science  1989 
 - 332p., 30cm. 
<br/><br/><label>ISBN: </label>81-85273-11-1. 
<br/><br/><label>Dewey Class. No.: </label>025.435  / R19C