@article{BrechnerKlingeKruegeretal.1998,
  author    = {Brechner, Stefan and Klinge, Klaus and Kr{\"u}ger, Frank and Plenefisch, Thomas},
  title     = {Backazimuthal variations of splitting parameters of teleseismic SKS phases observed at the broadband stations in Germany},
  year      = {1998},
  language  = {en}
}
@article{FriedrichKruegerKlinge1998,
  author    = {Friedrich, Andree and Kr{\"u}ger, Frank and Klinge, Klaus},
  title     = {Ocean generated microseismic noise located with the Graefenberg array},
  year      = {1998},
  language  = {en}
}
@article{KruegerGrosserBaumbachetal.1998,
  author    = {Kr{\"u}ger, Frank and Grosser, H. and Baumbach, M. and Berckhemer, Hans},
  title     = {The Erzincan (Turkey) earthquake (Ms 6.8) of March 13, 1992 and its aftershock sequence},
  year      = {1998},
  language  = {en}
}
@article{WeberWicksKruegeretal.1998,
  author    = {Weber, Michael H. and Wicks, Chuck and Kr{\"u}ger, Frank and Jahnke, Gunnar and Schlittenhardt, J{\"o}rg},
  title     = {Asymmetric radiation of seismic waves from an atoll : nuclear tests in French Polynesia},
  year      = {1998},
  language  = {en}
}