@article{38143,
      author       = "Sebert, L. M. and Pan - American Institute of Geography and
                      History and 9. mezinár. konf. kart., Rockville, Md. 1978",
      title        = "The Work of the Commission on Cartography of the Pan -
                      American Institute of Geography and History  ",
      year         = "1978",
      note         = "1 seš.",
}