Borssum Waalkes, Jan Van,  1922-, <br/><br/>
Malesian malvaceae revised :  proefschrift / 
door Jan Van Borssum Waalkes. 
 - 213 pages :  illustrations, maps ;  25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malvaceae--Malaysia.<br/>Botany--Malaysia.