Mahajan, Shantaram Gajanan <br/><br/>
Decimal clasification 

 - 16th ed 
 - Pune Vidyarthi Graah, Pune  1995 
 - ii,44 
<br/><br/><label>ISBN: </label>81-85825-61-0 
<br/><br/><label>Dewey Class. No.: </label>RM 025.431 Mah