ARORA, S. <br/><br/>
Fundamentals of environmental biology 
/by S.Arora 
 - 2nd ed., rev. 
 - Ludhiana  Kalyani pub.  1995 
 - xix, 523 p. 
<br/><br/><label>ISBN: </label>135185 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Environmental biology
<br/><br/><label>Dewey Class. No.: </label>577  / ARO