@ARTICLE{Woehler-ISPRS-2009,
  author = {Woehler, {\relax Ch}ristian and d'Angelo, Pablo and Krueger, Lars
    and Kuhl, Annika and Gross, Horst-Michael},
  title = {Monocular {3D} Scene Reconstruction at Absolute Scale},
  journal = {ISPRS Journal of Photogrammetry and Remote Sensing (ISPRS)},
  year = {2009},
  volume = {64},
  pages = {529--540},
  number = {6}
}