Saxena, Y.K <br/><br/>
Environment explained  meaning and definitions of terms and themes 
Y. K Saxena, N.K Uberoi 
 - New Delhi  Excel books  2004 
 - xiv,177p  
<br/><br/> Includes index  
<br/><br/><label>Dewey Class. No.: </label>301.3103 SAX(Ref.)