Misra, S P; Pandey, S N <br/><br/>
Essential environmental studies / 
Misra, S P; Pandey, S N 
 - 2 ed. 
 -  Ane Books Pvt.Ltd., New Delhi,  2010 
 - p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9781420077469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Circadian
<br/><br/><label>Dewey Class. No.: </label>577.77 MIS-E2