@article{Friese2007,
  author    = {Heinrich Friese},
  title     = {Neue Arten der Bienengattungen Melipona Ill. und Trigona Jur.},
  journal   = {Term{\´e}szetrajzi f{\"u}zetek},
  volume    = {23},
  pages     = {381 -- 394},
  year      = {2007},
}