@INPROCEEDINGS{ahlersboll:2009:accuracygeocoders,
  author = {Dirk Ahlers and Susanne Boll},
  title = {{On the Accuracy of Online Geocoders}},
  booktitle = {Geoinformatik 2009, Osnabr\"{u}ck},
  year = {2009},
  editor = {Wolfgang Reinhardt and Antonio Kr\"{u}ger and Manfred Ehlers},
  volume = {35},
  series = {ifgiprints},
  pages = {85--91},
  address = {M\"{u}nster},
  isbn = {978-3-89838-619-7},
}