Rosa, J. F.; Oliveira, J. P. L. de; Gurgel, Z. E. da R.; Duarte, C. S. A.; Ramalho, M. Stratification of the Essence Collection Activity by Euglossina Bees in a Remainer of Atlantic Forest in the Reserve of Michelin, Bahia, Brazil. Sitientibus sér. Ci. Biol. 2008, 8, 307-310.