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@PHDTHESIS{Sieper:67034,
      author       = {Sieper, Hans-Peter},
      othercontributors = {Hackstein, R.},
      title        = {{V}oraussetzungen und {L}ösungsansätze für ein
                      innerbetriebliches {Q}ualitätsinformationssystem},
      address      = {Aachen},
      publisher    = {Mainz},
      reportid     = {RWTH-CONV-128276},
      pages        = {142 S.},
      year         = {1970},
      note         = {Aachen, Techn. Hochsch., Diss., 1970},
      cin          = {052300 / 417110},
      cid          = {$I:(DE-82)052300_20140620$ / $I:(DE-82)417110_20140620$},
      typ          = {PUB:(DE-HGF)11},
      url          = {https://publications.rwth-aachen.de/record/67034},
}