Leeuwenberg, A. J. M. <br/><br/>
Series of revision of Apocynaceae XVI-XVIII 

 - Netherlands:  Agricultural University Wageningen,  1985. 
 - 83p.:  ill.;  25cm. 
<br/><br/>Includes bibliographical reference 
<br/><br/><label>ISBN: </label>9067540641 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany<br/>Apocynaceae
<br/><br/><label>LC Class. No.: </label>BOT QK495.A66L44