Royen, P. Van (Pieter Van) <br/><br/>
The apline flora of New Guinea / 
by P. Van Royen 
 - Vadug :  J. Cramer,  1979 
 - v. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical refrences and index 
<br/><br/><label>ISBN: </label>3768212433 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alpine flora--New Guinea