Purohit, S. S. <br/><br/>
Ecology, environment and pollution 

 - 1st ed. 
 - India  Agrobios  2007 
 - 1023p. 
<br/><br/><label>ISBN: </label> 1800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>Dewey Class. No.: </label>577  PUR  S