Pruthi, R. K. <br/><br/>
Percussion of global environment 

 - New Delhi  Mahaveer & Sons Publishers  2007 
 - 242p. 
<br/><br/><label>ISBN: </label> RS 600.00 
<br/><br/><label>Source: </label> RS 600.00 
<br/><br/><label>Dewey Class. No.: </label>304.2 PRU