Lal,C. <br/><br/>
Understanding basics of library and information science/C. Lal & K. Kumar: Library classification theory and practical/by C. Lal and K. Kumar 

 - New Delhi  Ess Ess publications  2005 
 - 118 + 895p. 
<br/><br/><label>ISBN: </label>8170004330 
<br/><br/><label>Dewey Class. No.: </label>025.1  L15U