Purohit, S. S. <br/><br/>
A text book of environmental sciences : as per unified ugc syllabus 
/by S. S. Purohit 
 - Jodhpur  Student Edition  2004 
 - 397P. 
<br/><br/><label>ISBN: </label>81-88826-14-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>574.5  / PUR/A