Purohit, S.S. <br/><br/>
A textbook of environmental sciences :  as per unified UDGC syllabus / 
by S. S. Purohit, Q. J. Shammi and A. K. Agrawal. 
 - Jodhpur :  Agrobios,  2004. 
 - 397 p. :  ill. 
<br/><br/> Glossary. 
<br/><br/><label>ISBN: </label>8188826146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.<br/>Environmental sciences.