Ambasht, R.S. <br/><br/>
A text book of plant ecology 
R.S. Ambasht 
 - Varanasi  Students friends & co.  1986 
 - 358p. 
<br/><br/><label>ISBN: </label> 35 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany