@article{Holmberg2009,
  author    = {Eduardo Ladislao Holmberg},
  title     = {Insectos : 1. Himenopteros - Hymenoptera ; monotrocos ; abejas},
  journal   = {Actas de la Academia Nacional de Ciencias},
  volume    = {5},
  pages     = {117 -- 184},
  year      = {2009},
}