@misc{bibcite_40,
  author = {Satomi Kimijima and Masahiko Nagai and Hiroyuki Miyazaki and Ryosuke Shibasaki and Koki Iwao},
  title = {Crowdsourcing for urban area mapping},
  year = {2013},
  journal = {Asia Geospatial Digest},
  month = {2013},
  url = {http://geospatialworld.net/Paper/Application/ArticleView.aspx?aid=30462},
  language = {eng},
}