Simpson, George Gaylord,  1902 <br/><br/>
Penguins :  past and present, here and there / 
George Gaylord Simpson 
 - New Haven, Conn. :  Yale University Press,  1976 
 - 150p., :  leaf of plate ill. (some col.) ;  22cm 
<br/><br/>Bibl.: p.143-145. - Index 
<br/><br/><label>ISBN: </label>0300019696 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Penguins