Shukla, R. S. <br/><br/>
Textbook of plant ecology  Including ethnobotarny and soil science / 

 - Rev.11 
 - New Delhi :  S Chand & Co Ltd ,  2007. 
 - 544 p. 
<br/><br/><label>ISBN: </label>8121905486 
<br/><br/><label>Subjects--Index Terms: </label>Botany Plant Ecology