@InProceedings{ulrich-etal:01,
  author =       "Markus Ulrich and Carsten Steger and Albert
                  Baumgartner and Heinrich Ebner",
  title =        "Real-Time Object Recognition Using a Modified
                  Generalized {H}ough Transform",
  booktitle =    "Photogrammetrie --- Fernerkundung ---
                  Geoinformation: Geodaten schaffen Verbindungen",
  pages =        "571--578",
  year =         "2001",
  editor =       "Eckhardt Seyfert",
  series =       "21. Wissenschaftlich-Technische Jahrestagung der
                  DGPF",
  address =      "Berlin",
  publisher =    "DGPF"
}