Vyas, L. N (Editor) <br/><br/>
Contributions to the environmental sciences 

 - Udaipur  Himanshu Publications  1996 
 - 138p. 
<br/><br/><label>ISBN: </label> RS 225.00 
<br/><br/><label>Source: </label> RS 225.00 
<br/><br/><label>Dewey Class. No.: </label>304.2 CON