@book{Laack2001,
  author    = {Laack, Walter van},
  title     = {A better history of our world / Vol. 1. The universe},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-8311-1490-0},
  pages     = {188 S.},
  year      = {2001},
  language  = {en}
}
@book{Koehler2001,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 3: HT-Superlegierungen. -2. Auflage},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-863-2},
  pages     = {191 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Koehler2001,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 4 : Sonderwerkstoffe. -4. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-864-6},
  pages     = {148 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Koehler2001,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 1 : Grundlagen. -4. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-861-6},
  pages     = {183 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Koehler2001,
  author    = {K{\"o}hler, Bernd},
  title     = {Werkstofftechnologie der Luft- und Raumfahrt. Teil 2 : Leichtmetalle und St{\"a}hle. - 2. Aufl.},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-89653-862-4},
  pages     = {194 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@article{KurowskiSchultzeLuethetal.2001,
  author    = {Kurowski, A. and Schultze, J.W. and L{\"u}th, H. and Sch{\"o}ning, Michael Josef},
  title     = {Micro- and nanopatterning of sensor chips by means of macroporous silicon},
  series = {Transducers '01 Eurosensors XV : digest of technical papers / the 11th International Conference on Solid-State Sensors and Actuators, June 10-14, 2001, Munich, Germany. Ernst Obermeier (Ed.)},
  journal   = {Transducers '01 Eurosensors XV : digest of technical papers / the 11th International Conference on Solid-State Sensors and Actuators, June 10-14, 2001, Munich, Germany. Ernst Obermeier (Ed.)},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-42150-5},
  pages     = {640 -- 643},
  year      = {2001},
  language  = {en}
}
@inproceedings{KuperjansAugenstein2001,
  author    = {Kuperjans, Isabel and Augenstein, Eckardt},
  title     = {„EUSEBIA - Software zur Analyse und Verbesserung der betrieblichen Energiewirtschaft},
  series = {Optimierung in der Energieversorgung : Tagung Veitsh{\"o}chheim, 9. und 10. Oktober 2001. - (VDI-Berichte ; 1627)},
  booktitle = {Optimierung in der Energieversorgung : Tagung Veitsh{\"o}chheim, 9. und 10. Oktober 2001. - (VDI-Berichte ; 1627)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-091627-3},
  pages     = {267 -- 268},
  year      = {2001},
  language  = {de}
}
@article{KrausePeiferRuetten2001,
  author    = {Krause, Gregor and Peifer, Hermann-Josef and R{\"u}tten, Jan},
  title     = {Wo bleibt das intelligente Haus?},
  series = {Elektor (2001)},
  journal   = {Elektor (2001)},
  pages     = {38 -- 42},
  year      = {2001},
  language  = {de}
}
@article{Krause2001,
  author    = {Krause, Gregor},
  title     = {Verhandeln statt Energiesparen? {\"U}ber den Umgang mit Preisnachl{\"a}ssen im Energiebereich},
  series = {extrACT: Das Magazin der Fachhochschule Aachen (2001)},
  journal   = {extrACT: Das Magazin der Fachhochschule Aachen (2001)},
  pages     = {22 -- 23},
  year      = {2001},
  language  = {de}
}
@incollection{Krause2001,
  author    = {Krause, Gregor},
  title     = {Brenchmarking elektrischer Energie in Zweckbauten - Aussagef{\"a}higkeit von Energiekennzahlen},
  series = {Betriebliches Energiemanagement : Tagung Cottbus, 6. und 7. M{\"a}rz 2001. (VDI-Berichte ; 1593)},
  booktitle = {Betriebliches Energiemanagement : Tagung Cottbus, 6. und 7. M{\"a}rz 2001. (VDI-Berichte ; 1593)},
  publisher = {VDI-Verlag},
  address   = {D{\"u}sseldorf},
  isbn      = {3180915935},
  pages     = {413 -- 422},
  year      = {2001},
  language  = {de}
}