Agarwal,S.K <br/><br/>
Environmental Scenario For 21st Century 
S.K.Agarwal 
 - New Delhi  APH Puublishing Corporation  2003 
 - 480p. 
<br/><br/> H.B 
<br/><br/><label>ISBN: </label>8176484180 
<br/><br/><label>Dewey Class. No.: </label>363.7 AGA