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@PHDTHESIS{Paar:478637,
      author       = {Paar, Willy},
      othercontributors = {Fritzsche, C. H. and Schwemann, A.},
      title        = {{D}ie Überwachung des {V}erlaufes von {T}iefbohrlöchern},
      address      = {Aachen},
      reportid     = {RWTH-CONV-209090},
      pages        = {VIII, 77 S. : Ill.},
      year         = {1936},
      note         = {Aachen, Techn. Hochsch., Diss., 1935},
      cin          = {400000},
      ddc          = {550},
      cid          = {$I:(DE-82)400000_20140620$},
      typ          = {PUB:(DE-HGF)11},
      url          = {https://publications.rwth-aachen.de/record/478637},
}