@article{145,
      author       = "Baker, T. Y. and Cheetham, G.",
      title        = "The 45° Prismatic Astrolabe. The Tavistock Theodolite  ",
      year         = "1931",
      note         = "Zvláštní otisk z The Geographical Journal, Vol. LXXVII,
                      No. 5, May 1931",
}