LIEBERMAN, Bruce S. <br/><br/>
Evolutionary and geographic patterns in the asteropyginae (Trilobita, Devonian), Delo, 1935 / 
Bruce S. Lieberman, Gerald J. Kloc. 
 -- New York :   American Museum of Natural History,   1997 
 - 127 p. -- 
 (Bulletin of the American Museum of Natural History, ISSN 0003-0090  ; 232).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Devónico<br/>Estratigrafía<br/>Geología
<br/><br/><label>Universal Decimal Class. No.: </label>551.734