@inproceedings{ikkala-et-al-maps-ichg-2018,
  author = {Esko Ikkala and Eero Hyvönen and Jouni Tuominen},
  title =  {A Crowdsourced Old Map Service for Geocoding, Publishing, and Using Historical
Places in Linked Data Applications},
  booktitle = {Abstracts, 17th International Conference of Historical Geographers (ICHG 2018), No. 195}
  year = {2018},
  month = {July},
  location = {Warsaw, Poland},
  abstract = {},
  pages = {},
  OPTproject =  {http://www.seco.tkk.fi/projects/histoplaces/},
  OPTannotate = {historical place, old map, linked data, crowdsourcing, geocoding}
}