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@ARTICLE{Naumann:133814,
      author       = {Naumann, Uwe},
      title        = {{DAG} reversal is {NP}-complete},
      journal      = {Journal of discrete algorithms : JDA},
      volume       = {7},
      number       = {4},
      issn         = {1570-8667},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {RWTH-CONV-014861},
      pages        = {402-410},
      year         = {2009},
      cin          = {120000 / 123120},
      cid          = {$I:(DE-82)120000_20140620$ / $I:(DE-82)123120_20140620$},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.jda.2008.09.008},
      url          = {https://publications.rwth-aachen.de/record/133814},
}