Periasamy, K <br/><br/>
Elements of plant ecology / 
Periasamy, K 
 -  Emkay Publications, New Delhi,  1965 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant ecology; Botany
<br/><br/><label>Dewey Class. No.: </label>581.5 PER-E