@article{34999,
      author       = "Nelle, Günther and Ernst, Alfons and Johannes Heidenhain
                      GmbH",
      title        = "Urzadzenie pomiarowe do pomiaru długości  ",
      year         = "1984",
      note         = "1 sv., G 01 B 11/02., 5.3.1976, 20.1.1984",
}