Choudhury, A.B. <br/><br/>
Environment and Ecology of Herbs-Shrub Flora 
A.B. Choudhury. 
 - New Delhi  Ashish Publishing House  1991 
 - xvi, 510p., 22cm. 
<br/><br/><label>ISBN: </label>81-7024-415-3. 
<br/><br/><label>Dewey Class. No.: </label>581.53  / C32E