@article{31730,
      author       = "Ciesielski, J. and Podlacha, K. and 9. mezinárodní konf.
                      kart., Rockville, Md. 1978",
      title        = "System of conventional signs for large-scales thematic maps
                      for urban planning  ",
      year         = "1978",
      note         = "separáty, 1 seš.",
}