@InProceedings{kretzschmar08iros,
  title     = {Estimating Landmark Locations from Geo-Referenced Photographs},
  author    = {Kretzschmar, H. and Stachniss, C. and Plagemann, C. and Burgard, W.},
  booktitle = {Proc.~of the IEEE/RSJ International Conference on
    Intelligent Robots and Systems (IROS)},
  address   = {Nice, France},
  year      = {2008},
  abstract  = {},
  note      = {To appear},
  OPTpdfurl    = {http://www.informatik.uni-freiburg.de/~plagem/bib/.pdf}
}