Engel, Michael S.  1971- <br/><br/>
A monograph of the Baltic amber bees and evolution of the apoidea (hymenoptera) / 
Michael S. Engel. 
 -- New York :   American Museum of Natural History,   2001 
 - 192 p.  il. en col. y n. -- 
 (Bulletin of the American Museum of Natural History, ISSN 0003-0090  ; 259).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Himenópteros
<br/><br/><label>Universal Decimal Class. No.: </label>595.79