Advances in environmental science 
C.S.P. Iyer [et at.] 
 - New Delhi  Education book Pub.  1997 
 - viii,442 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>574.5  / EYE N7