Pandeya, S C, et al. <br/><br/>
Research methods in plant ecology 

 -  Asia Publishing House, Bombay  1968 
 - 271 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology; Botany
<br/><br/><label>Dewey Class. No.: </label>581.5  PAN-R