@article{7576,
      author       = "Ghosh, Sanjib K. and XIII. Congress of the International
                      Society for Photogrammetry, Helsinki, 1976. Commission VI.
                      1972 - 1976 Poland",
      title        = "Economic Aspects in Special (Non Topographic) Applications
                      of Photogrammetry  ",
      year         = "1976",
      note         = "1 sv.",
}