@article{22720,
      author       = "Leroux, P. and XIIth Congress of the International Society
                      of Photogrammetry in Ottawa 1972",
      title        = "Photographie Aérienne et Lutte Anti - Acridienne  ",
      year         = "1972",
      note         = "1 sv., obr. v textu a barev. příl.",
}