@article{34004,
      author       = "Leipold, G. and Stabila Messgeräte Gustav Ullrich GmbH &
                      Co KG",
      title        = "Tumstock  ",
      year         = "1984",
      note         = "1 sv., G 01 B 3/06., 2.8.1977, 12.3.1984",
}