@article{7737,
      author       = "Axelson, Hans and 8th International Congress of
                      Photogrammetry, Stockholm, 1956",
      title        = "Effect of Photo Scale on the Use of Aerial Photographs in
                      Swedish Forestry  ",
      note         = "1 sv., Zvl. ot. z čas.:Bulletin from the Committee of
                      Forest Photogrammetry",
}