@inproceedings{inproceedingsaa0123e4,
title   = {Relative abundance and phenology of bees (hym., Apoidea)},
author = {Knoll, F R N and Bego, L R and Imperatriz-Fonseca, Vera Lucia},
year = {1986},
booktitle   = {International Congress of Iussi}
}