@article{FreybourgerKruegerAchauer1999,
  author    = {Freybourger, Marion and Kr{\"u}ger, Frank and Achauer, Ulrich},
  title     = {A 22 degree long seismic profile for the study of the top D"},
  year      = {1999},
  language  = {en}
}
@article{KruegerDahm1999,
  author    = {Kr{\"u}ger, Frank and Dahm, Torsten},
  title     = {Higher degree moment inversin using far-field broad-band recordings : theory and evaluation of the method with application to the 1994 Bolivia deep earthauke},
  year      = {1999},
  language  = {en}
}