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@INBOOK{Nagl:688122,
      author       = {Nagl, Manfred},
      title        = {{O}n a {G}eneralization of {L}indenmayer-{S}ystems to
                      {L}abelled {G}raphs},
      address      = {Amsterdam [u.a.]},
      publisher    = {North-Holland Publ. Co.},
      reportid     = {RWTH-2017-03639},
      pages        = {487-508},
      year         = {1976},
      comment      = {Automata, languages, development : at the crossroads of
                      biology, mathematics and computer science / ed. by Aristid
                      Lindenmayer and Grzegorz Rozenberg},
      booktitle     = {Automata, languages, development : at
                       the crossroads of biology, mathematics
                       and computer science / ed. by Aristid
                       Lindenmayer and Grzegorz Rozenberg},
      cin          = {121510 / 120000},
      ddc          = {574.30724},
      cid          = {$I:(DE-82)121510_20140620$ / $I:(DE-82)120000_20140620$},
      typ          = {PUB:(DE-HGF)7},
      url          = {https://publications.rwth-aachen.de/record/688122},
}