@article{44114,
      author       = "Barzaghi, R. and Crippa, B. and Close-Range Photogrammetry
                      Meets Machine Vision. Symposium ISPRS, Zurich 3-7 September
                      1990",
      title        = "3-D Collocation Filtering  ",
      note         = "4 obr., lit. 5",
}