Essential environmental studies / 
S. P. Misra, S. N. Pandey 
 - Boca Raton, FL :  CRC,  2009 
 - xxvi, 741 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>1420077465 9781420077469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences<br/>Human ecology
<br/><br/><label>LC Class. No.: </label>GE70   / .E87 2009