@article{952,
      author       = "Eckhardt, Clifford V. and ASP - ACSM Convantion,
                      Washington, D. C. March 28 - April 3, 1965",
      title        = "Airborne Control for Topographic Mapping  ",
      year         = "1965",
      note         = "Obr. a fotogr. v textu. - 1 sv.",
}