@article{article8e856545,
title   = {Trap-nesting bees (Hymenoptera, Apoidea) in forest fragments of the state of São Paulo, Brazil},
author = {Gazola, A. L. and Garófalo, Carlos Alberto},
year = {2009},
doi = {10.4238/vol8-2kerr016},
journal   = {Genetics and Molecular Research}
}