@article{HeuermannIbrahim2009,
  author    = {Heuermann, Holger and Ibrahim, Irfan},
  title     = {Improvements in the flicker noise reduction technique for osillator designs / Ibrahim, Irfan ; Heuermann, Holger},
  series = {European Microwave Conference, 2009 : EuMC 2009 ; Sept. 29, 2009 - Oct. 1, 2009, Rome, Italy ; part of European Microwave Week (EuMW) / sponsored by EuMA, European Microwave Association ... Endorsed by IEEE},
  journal   = {European Microwave Conference, 2009 : EuMC 2009 ; Sept. 29, 2009 - Oct. 1, 2009, Rome, Italy ; part of European Microwave Week (EuMW) / sponsored by EuMA, European Microwave Association ... Endorsed by IEEE},
  publisher = {IEEE},
  address   = {Piscataway, NJ},
  isbn      = {978-1-4244-4748-0},
  pages     = {1215 -- 1218},
  year      = {2009},
  language  = {en}
}
@article{WilsonBlome2009,
  author    = {Wilson, T. L. and Blome, Hans-Joachim},
  title     = {The Pioneer anomaly and a rotating G{\"o}del universe},
  series = {Advances in Space Research},
  volume    = {44},
  journal   = {Advances in Space Research},
  number    = {11},
  isbn      = {0273-1177},
  pages     = {1345 -- 1353},
  year      = {2009},
  language  = {en}
}
@article{Focke2009,
  author    = {Focke, Markus},
  title     = {Flussorientierung in der Beschaffungslogistik: ein Ansatz zur Optimierung auf Basis des Toyota Produktionssystems},
  series = {M{\"a}rkte, Anwendungsfelder und Technologien in der Logistik : Ergebnisse und Reflexion von 20 Jahren Logistikforschung ; Festschrift f{\"u}r Peter Klaus / Stefanie M{\"u}ller ... (Hrsg.)},
  journal   = {M{\"a}rkte, Anwendungsfelder und Technologien in der Logistik : Ergebnisse und Reflexion von 20 Jahren Logistikforschung ; Festschrift f{\"u}r Peter Klaus / Stefanie M{\"u}ller ... (Hrsg.)},
  publisher = {Gabler},
  address   = {Wiesbaden},
  isbn      = {978-3-8349-1821-5},
  pages     = {25 -- 44},
  year      = {2009},
  language  = {de}
}
@article{Tietze2009,
  author    = {Tietze, J{\"u}rgen},
  title     = {Die Elastizit{\"a}t {\"o}konomischer Funktionen},
  series = {Das Wirtschaftsstudium : Wisu. 38 (2009), H. 8/9},
  journal   = {Das Wirtschaftsstudium : Wisu. 38 (2009), H. 8/9},
  publisher = {Lange},
  address   = {D{\"u}sseldorf},
  isbn      = {0340-3084},
  pages     = {1179 -- 1187},
  year      = {2009},
  language  = {de}
}
@article{Stulpe2009,
  author    = {Stulpe, Werner},
  title     = {Unitary Operator},
  series = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  journal   = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-70622-9},
  pages     = {807 -- 809},
  year      = {2009},
  language  = {en}
}
@article{Stulpe2009,
  author    = {Stulpe, Werner},
  title     = {Projection},
  series = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  journal   = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-70622-9},
  pages     = {497 -- 499},
  year      = {2009},
  language  = {en}
}
@article{Stulpe2009,
  author    = {Stulpe, Werner},
  title     = {Self-Adjoint Operator},
  series = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  journal   = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-70622-9},
  pages     = {692 -- 697},
  year      = {2009},
  language  = {en}
}
@article{Stulpe2009,
  author    = {Stulpe, Werner},
  title     = {Density Operator},
  series = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  journal   = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-70622-9},
  pages     = {166 -- 169},
  year      = {2009},
  language  = {en}
}
@article{StulpeScholz2009,
  author    = {Stulpe, Werner and Scholz, Erhard},
  title     = {Hilbert Space / Scholz, Erhard ; Stulpe, Werner},
  series = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  journal   = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-70622-9},
  pages     = {291 -- 295},
  year      = {2009},
  language  = {en}
}
@article{Stulpe2009,
  author    = {Stulpe, Werner},
  title     = {Operator},
  series = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  journal   = {Compendium of Quantum Physics : concepts, experiments, history and philosophy / Daniel Greenberger ... ed.},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-70622-9},
  pages     = {440 -- 444},
  year      = {2009},
  language  = {en}
}
@article{Wessling2009,
  author    = {Weßling, Matthias},
  title     = {Von Daniel D{\"u}sentrieb zu Dagobert Duck. Trinationale Master Class in High-Tech Entrepreneurship},
  series = {Dimensionen : Magazin der Fachhochschule Aachen (2009)},
  journal   = {Dimensionen : Magazin der Fachhochschule Aachen (2009)},
  pages     = {46},
  year      = {2009},
  language  = {de}
}
@article{BienerSasse2009,
  author    = {Biener, Ernst and Sasse, Torsten},
  title     = {Deponiebauprojekte gestern, heute und morgen : Ver{\"a}nderungen, Stand und Tendenzen aus der Sicht eines planenden Ingenieurb{\"u}ros / Sasse, Torsten ; Biener, Ernst},
  pages     = {1 -- 13},
  year      = {2009},
  language  = {de}
}
@article{Wessling2009,
  author    = {Weßling, Matthias},
  title     = {Como lidar com culturas estrangeiras: um treinamento inovador ao base da metodologia de "experiential learning" atrav{\´e}s Kolb \& Fry / Wessling, Matthias},
  series = {Revista Nic / Universidade Estadual de Londrina. 1 (2009), H. 2},
  journal   = {Revista Nic / Universidade Estadual de Londrina. 1 (2009), H. 2},
  isbn      = {1984-2325},
  year      = {2009},
  language  = {de}
}
@article{ReisselLustfeldHirschfeldetal.2009,
  author    = {Reißel, Martin and Lustfeld, H. and Hirschfeld, J. and Steffen, B.},
  title     = {Uniqueness of magnetotomography for fuel cells and fuel cell stacks / Lustfeld, H. ; Hirschfeld, J. ; Reißel, M ; Steffen, B.},
  series = {Journal of Physics A: Mathematical and Theoretical. 42 (2009), H. 495205},
  journal   = {Journal of Physics A: Mathematical and Theoretical. 42 (2009), H. 495205},
  isbn      = {0022-3689},
  pages     = {9 S.},
  year      = {2009},
  language  = {en}
}
@article{ReisselLustfeldSteffenetal.2009,
  author    = {Reißel, Martin and Lustfeld, H. and Steffen, B. and Schmidt, U.},
  title     = {Reconstruction of Electric Currents in a Fuel Cell by Magnetic Field Measurements / Lustfeld, H. ; Reißel, M. ; Steffen, B. ; Schmidt, U.},
  series = {Journal of fuel cell science and technology},
  volume    = {Vol. 6},
  journal   = {Journal of fuel cell science and technology},
  number    = {Iss. 2},
  isbn      = {1550-624X},
  pages     = {021012-1 -- 021012-8},
  year      = {2009},
  language  = {en}
}
@article{ReisselSchubertPietrzyketal.2009,
  author    = {Reißel, Martin and Schubert, Nicole and Pietrzyk, Uwe and Palm, Christoph},
  title     = {Reduktion von Rissartefakten durch nicht-lineare Registrierung in histologischen Schnittbildern / Schubert, Nicole ; Pietrzyk, Uwe ; Reißel, Martin ; Palm, Christoph},
  series = {Bildverarbeitung f{\"u}r die Medizin 2009 : Elektronische Ressource : Algorithmen - Systeme - Anwendungen ; Proceedings des Workshops vom 22. bis 25. M{\"a}rz 2009 in Heidelberg / Hans-Peter Meinzer ... (Hrsg.)},
  journal   = {Bildverarbeitung f{\"u}r die Medizin 2009 : Elektronische Ressource : Algorithmen - Systeme - Anwendungen ; Proceedings des Workshops vom 22. bis 25. M{\"a}rz 2009 in Heidelberg / Hans-Peter Meinzer ... (Hrsg.)},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {978-3-540-93860-6},
  pages     = {410 -- 414},
  year      = {2009},
  language  = {de}
}
@article{ReisselHirschfeldLustfeldetal.2009,
  author    = {Reißel, Martin and Hirschfeld, J. A. and Lustfeld, H. and Steffen, B.},
  title     = {Magnetotomography and Electric Currents in a Fuel Cell / Lustfeld, H. ; Reißel, M. ; Steffen, B.},
  series = {Fuel Cells. 9 (2009), H. 4},
  journal   = {Fuel Cells. 9 (2009), H. 4},
  publisher = {Wiley-VCH},
  address   = {Weinheim},
  isbn      = {1615-6854},
  pages     = {474 -- 481},
  year      = {2009},
  language  = {en}
}
@article{SchneiderSchneider2009,
  author    = {Schneider, Bettina and Schneider, Wilhelm},
  title     = {Die Jahresabschlussanalyse},
  series = {Das Wirtschaftsstudium : wisu ; Zeitschrift f{\"u}r Ausbildung, Examen, Berufseinstieg und Fortbildung. 38 (2009), H. 12},
  journal   = {Das Wirtschaftsstudium : wisu ; Zeitschrift f{\"u}r Ausbildung, Examen, Berufseinstieg und Fortbildung. 38 (2009), H. 12},
  publisher = {Lange},
  address   = {D{\"u}sseldorf},
  isbn      = {0340-3084},
  pages     = {1594 -- 1600},
  year      = {2009},
  language  = {de}
}
@article{EnningDollsBrunberg2009,
  author    = {Enning, Manfred and Dolls, S. and Brunberg, A.},
  title     = {Selbsteinstellverfahren f{\"u}r Temperiervorrichtungen mit Außenverrohrung / Dolls, S. ; Enning, M. ; Brunberg, A. ; Abel, D.},
  series = {Automation 2009 : Automatisierungskongress in Deutschland ; Kongress Baden-Baden, 16. und 17. Juni 2009 / VDI-VDE-Gesellschaft Mess- und Automatisierungstechnik},
  journal   = {Automation 2009 : Automatisierungskongress in Deutschland ; Kongress Baden-Baden, 16. und 17. Juni 2009 / VDI-VDE-Gesellschaft Mess- und Automatisierungstechnik},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-18-092067-2},
  pages     = {429 -- 432},
  year      = {2009},
  language  = {de}
}
@article{EnningBaier2009,
  author    = {Enning, Manfred and Baier, M.},
  title     = {Energetic and operational use of FlexCargoRail freight wagons in the single wagon load traffic / Baier, M. ; Enning, M.},
  series = {Towards zero emission : EVS 24, the 24th International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium \& Exhibition, Stavanger, Norway, May 13 - 16, 2009 ; symposium proceedings / organised by AVERE ... Robert St{\"u}ssi [Hrsg.]},
  journal   = {Towards zero emission : EVS 24, the 24th International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium \& Exhibition, Stavanger, Norway, May 13 - 16, 2009 ; symposium proceedings / organised by AVERE ... Robert St{\"u}ssi [Hrsg.]},
  address   = {Stavanger},
  pages     = {CD-Rom},
  year      = {2009},
  language  = {en}
}