Gupta, Rajkumar <br/><br/>
Plants for environmental conservation 
by Rajkumar Gupta 
 - Dehra Dun  Bishan Singh Mahendra Pal Singh  1979 
 - 247p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants - Collection and preservation<br/>Plants - Ecology<br/>Plantations<br/>Plants<br/>Plant ecology
<br/><br/><label>Dewey Class. No.: </label>O91 G959