@article{21274,
      author       = "Technic. Univ. Münich and 19. IUGG - Vancouver, Aug. 9-22,
                      1987",
      title        = "On algorithms selving the L - Approximation in geometric
                      modelling  ",
      year         = "1987",
      note         = "Liter. - Obr. v textu, 1 sv.",
}