Sarma, P. D. <br/><br/>
Elements Of Ecology 

 - Meerut  Rastogi Publications  1986 
 - xiv, 422p. 
 - Rept. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>G:5
<br/><br/><label>Dewey Class. No.: </label>G:5  / L6