Environmental Biology  principles of ecology 

 - India  S.chand & company pvt.ltd  1983 
 - viii, 591pgs  includes illustrustions 
<br/><br/><label>ISBN: </label>8121908590 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>LC Class. No.: </label>QH 308.5  / .V47 2013