Engel, Michael S. 1971-
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).
Himenópteros
595.79
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).
Himenópteros
595.79