@article{34525,
      author       = "Emter, Dieter and Zürn, Walter and Mälzer, Hermann",
      title        = "Underground Measurements at Tidal Sensitivy with a Long
                      Baseline Differential Fluid Pressure Tiltmeter  ",
      year         = "1989",
      note         = "Liter. - Obr. a tab. v textu, 1 sv.",
}