@article{8560,
      author       = "Vockenhuber, Peter and Bolex International S.A.",
      title        = "Entfernungsmesser  ",
      year         = "1981",
      note         = "1 sv., G 01 C 3/12, G 03 B 13/20., 9.12.1977, 31.8.1981",
}