Yadav, P. R., <br/><br/>
Environmental ecology 
P. R. Yadav 
 - India :  Discovery Publishing House,  2004. 
 - 356 pages :  figures, tables ;  22 cm. 
<br/><br/><label>ISBN: </label>8171417531 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>577  / Y105e