International code of botanical nomenclature :  adopted by the Thirteenth International Botanical Congress, Sydney, August 1981 / 
prepared and edited by E.G. Voss ... et al. 
 - Scheltema & Holkema, Utrecht, The Netherlands, The Hague, Boston, W. Junk :  Bohn,  1983 
 - 472p. ;  24cm. 
 - Regnum vegetabile  v. 111 .
<br/><br/> English, French, and German 
<br/><br/>Includes indexes 
<br/><br/><label>LCCN: </label>83-12277 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--Nomenclature--Congresses