Beentje, H.J. <br/><br/>
A monograph on strophanthus DC. (apocynaceae) 
/by H.J.Beentje 
 - Wageningen  H.Veenman & Zonen B.V.  1982 
 - 191 p. 
<br/><br/> Includes references. 
<br/><br/><label>ISBN: </label>116454 
<br/><br/><label>Dewey Class. No.: </label>583.72  / BEE