Nelson, Gareth J. <br/><br/>
Systematics and biogeography :  cladistics and vicariance / 
Gareth Nelson and Norman Platnick. 
 - New York :  Columbia University Press,  1981. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p 
<br/><br/><label>ISBN: </label>0231045743  35.00 (est.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Classification.<br/>Biogeography.