Polunin, Nicholas <br/><br/>
Introduction to plant geography and some related sciences 
by Nocholas Polunin 
 - London  Longmans  1960 
 - xix, 640 p. : ill. ; 23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phytogeography<br/>Botany--Ecology