@article{28223,
      author       = "Kravtsova, V. I. and International Astronautikal
                      Federation. September 25 - Oktober 1, 1977 Praha,
                      Czechoslovakia. XXVIII Congress. IAF - 77 - 86",
      title        = "Satellite Imagery in the Study of the Danube Delta Dynamics
                       ",
      year         = "1977",
      note         = "1 sv.",
}