Verma, V. <br/><br/>
A Text Book of Plant Ecology 

 - New Delhi  Emkay Publications  1972 
 - 224 
<br/><br/><label>Publisher. No.: </label> Popular Book Depot 
<br/><br/><label>Subjects--Personal Names: </label> Botany 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany