Trivedi, R. N. <br/><br/>
A textbook of environmental science 

 - New Delhi  ; Anmol Publications  , 1993 
 - ix,410p. 
<br/><br/><label>ISBN: </label>8170416825  400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enviromental Science<br/>Environment
<br/><br/><label>Dewey Class. No.: </label>333.7  / TRI