@inbook{inbookfb298782,
title   = {Taxonomic constraints for the conservation and sustainable use of wild pollinators: the brazilian wild bees},
author = {Silveira, Fernando Amaral da and Pinheiro-Machado, Cynthia and Alves-dos-Santos, Isabel and Kleinert, Astrid de Matos Peixoto and Imperatriz-Fonseca, Vera Lucia},
year = {2006},
publisher = {MMA},
journal   = {Pollinating bees: the conservation link between agriculture and nature}
}