@article{BleckenHolthausSellheier2012,
  author    = {Blecken, Udo and Holthaus-Sellheier, Ursula},
  title     = {Quantitative Prognoseverfahren f{\"u}r Mietpreise von Bueroimmobilien am Beispiel D{\"u}sseldorf},
  series = {GuG : Grundst{\"u}cksmarkt und Grundst{\"u}ckswert},
  volume    = {23},
  journal   = {GuG : Grundst{\"u}cksmarkt und Grundst{\"u}ckswert},
  number    = {1},
  publisher = {Werner},
  address   = {K{\"o}ln},
  issn      = {0938-0175},
  pages     = {12 -- 21},
  year      = {2012},
  language  = {de}
}
@article{BleckenHolthausSellheier2011,
  author    = {Blecken, Udo and Holthaus-Sellheier, Ursula},
  title     = {Quantitative Prognoseverfahren f{\"u}r den B{\"u}roimmobilienmarkt. Tl. 2},
  series = {GuG : Grundst{\"u}cksmarkt und Grundst{\"u}ckswert},
  volume    = {21},
  journal   = {GuG : Grundst{\"u}cksmarkt und Grundst{\"u}ckswert},
  number    = {3},
  publisher = {Werner},
  address   = {K{\"o}ln},
  isbn      = {0938-0175},
  pages     = {156 -- 163},
  year      = {2011},
  language  = {de}
}
@article{BleckenHolthausSellheier2011,
  author    = {Blecken, Udo and Holthaus-Sellheier, Ursula},
  title     = {Quantitative Prognoseverfahren f{\"u}r den B{\"u}roimmobilienmarkt, Tl.1},
  series = {GuG : Grundst{\"u}cksmarkt und Grundst{\"u}ckswert},
  volume    = {21},
  journal   = {GuG : Grundst{\"u}cksmarkt und Grundst{\"u}ckswert},
  number    = {1},
  publisher = {Werner},
  address   = {K{\"o}ln},
  isbn      = {0938-0175},
  pages     = {30 -- 39},
  year      = {2011},
  language  = {de}
}
@article{BienerSasse1993,
  author    = {Biener, Ernst and Sasse, T.},
  title     = {Quality improvements in the construction of multilayer covers},
  series = {G{\´e}ologie et confinement des d{\´e}chets toxiques : actes du symposium international, 8 - 11 juin 1993 / GEOCONFINE 93, Montpellier, France. R{\´e}d. Marcel Arnould},
  journal   = {G{\´e}ologie et confinement des d{\´e}chets toxiques : actes du symposium international, 8 - 11 juin 1993 / GEOCONFINE 93, Montpellier, France. R{\´e}d. Marcel Arnould},
  publisher = {Balkema},
  address   = {Rotterdam [u.a.]},
  isbn      = {90-5410-330-2},
  pages     = {309 -- 312},
  year      = {1993},
  language  = {en}
}
@article{SparlaWueller1985,
  author    = {Sparla, Peter and W{\"u}ller, Herbert},
  title     = {QL 300 D, ein Nivelliersystem mit Halbleiterlaserdiode},
  series = {Der Vermessungsingenieur. 36 (1985), H. 1},
  journal   = {Der Vermessungsingenieur. 36 (1985), H. 1},
  isbn      = {0042-4099},
  pages     = {2 -- 4},
  year      = {1985},
  language  = {de}
}
@article{Hoettges2017,
  author    = {H{\"o}ttges, J{\"o}rg},
  title     = {QKan - Management of drainage system data with QGIS},
  series = {Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings},
  volume    = {17},
  journal   = {Free and Open Source Software for Geospatial (FOSS4G) Conference Proceedings},
  number    = {Article 13},
  pages     = {95 -- 100},
  year      = {2017},
  language  = {en}
}
@incollection{FruehwaldPetersonHasenstab2012,
  author    = {Fr{\"u}hwald, Katja and Peterson, Leif Arne and Hasenstab, Andreas},
  title     = {Pr{\"u}fverfahren zur Begutachtung der Materialeigenschaften von Holztragwerken},
  series = {Bauphysik-Kalender 2012: Schwerpunkt: Geb{\"a}udediagnostik},
  booktitle = {Bauphysik-Kalender 2012: Schwerpunkt: Geb{\"a}udediagnostik},
  editor    = {Fouad, Nabil A.},
  publisher = {Ernst \& Sohn},
  address   = {Berlin},
  isbn      = {9783433029862 (Print)},
  doi       = {10.1002/9783433601235.ch4},
  pages     = {103 -- 155},
  year      = {2012},
  abstract  = {Dieses Kapitel beinhaltet: - Einleitung - Ausgew{\"a}hlte typische Sch{\"a}den an Holzbauwerken - Das Material Holz und seine Besonderheiten - Bestandserfassung - Labormethoden - Begutachtungsbeispiele - Zusammenfassung und Schlussfolgerungen - Literatur},
  language  = {de}
}
@book{PaschmannGrubeThielen1995,
  author    = {Paschmann, Hans and Grube, Horst and Thielen, Gerd},
  title     = {Pr{\"u}fverfahren und Untersuchungen zum Eindringen von Fl{\"u}ssigkeiten und Gasen in Beton sowie zum chemischen Widerstand von Beton / von Hans Paschmann ; Horst Grube ; Gerd Thielen},
  publisher = {Beuth},
  address   = {Berlin},
  isbn      = {3-410-65650-2},
  pages     = {109 S. : Ill., zahlr. graph. Darst.},
  year      = {1995},
  language  = {de}
}
@article{Polumsky1981,
  author    = {Polumsky, Dieter},
  title     = {Pr{\"a}missen und Methoden bei großr{\"a}umigen Verkehrsprognosen},
  publisher = {Inst.},
  address   = {Aachen},
  pages     = {67 -- 75},
  year      = {1981},
  language  = {de}
}
@book{Dienst1969,
  author    = {Dienst, Karl-Jakob},
  title     = {Projektiv-metrische Homomorphismen von metrischen Ebenen mit dreiseitverbindbaren Punkten},
  address   = {Darmstadt},
  pages     = {39 S., 8},
  year      = {1969},
  language  = {de}
}