@misc{OPUS4-21122,
  title     = {Gomphus Nieuwsbrief Nr. 2 — Jaargang 2 (2008)},
  booktitle = {Gomphus Nieuwsbrief},
  volume    = {2},
  number    = {2},
  url       = {http://www.odonata.be},
  institution = {Extern},
  year      = {2011}
}