Ranganathan, S.R.  . <br/><br/>
Documentation genesis and development /  
by S.R. Ranganathan. 
 - Delhi :   Ess Ess Publications ,   1973 
 - 310p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Dewey Class. No.: </label>0.150694444444444  / P6