@article{ZillerDoering2004,
  author    = {Ziller, Claudia and D{\"o}ring, Bernd},
  title     = {Doppelfassaden - vom Experimentalmodell zum Massanzug},
  series = {TAB Technik am Bau},
  volume    = {Bd. 35},
  journal   = {TAB Technik am Bau},
  number    = {H. 12},
  issn      = {0341-2032},
  pages     = {58 -- 63},
  year      = {2004},
  language  = {de}
}
@book{SedlacekZillerWeynandetal.2004,
  author    = {Sedlacek, Gerhard and Ziller, Claudia and Weynand, Klaus and Stark, Sebastian and Thiel, Dieter and Lemke, H.-J. and D{\"o}ring, Bernd and Lenzen, Kersten},
  title     = {Integration von Tragwerk und Haustechnik in B{\"u}ro- und Produktionsgeb{\"a}uden aus Stahl f{\"u}r eine flexible Nutzung : Forschungsvorhaben. (Forschung f{\"u}r die Praxis : Projekt ; P 447)},
  publisher = {Forschungsvereinigung Stahlanwendung e.V. -FOSTA-},
  address   = {D{\"u}sseldorf},
  isbn      = {9783937567051},
  pages     = {103 S.},
  year      = {2004},
  language  = {de}
}
@article{HellwigRautenbachVolkmann2004,
  author    = {Hellwig, Angelika and Rautenbach, Dieter and Volkmann, Lutz},
  title     = {Note on the connectivity of line graphs},
  series = {Information processing letters},
  volume    = {Vol. 91},
  journal   = {Information processing letters},
  number    = {Iss. 1},
  issn      = {1872-6119 (E-Journal); 0020-0190 (Print)},
  pages     = {7 -- 10},
  year      = {2004},
  language  = {en}
}
@article{HellwigVolkmann2004,
  author    = {Hellwig, Angelika and Volkmann, Lutz},
  title     = {Maximally local-edge-connected graphs and digraphs},
  series = {Ars combinatoria},
  volume    = {Vol. 72},
  journal   = {Ars combinatoria},
  issn      = {0381-7032},
  pages     = {295 -- 306},
  year      = {2004},
  language  = {en}
}
@article{HellwigVolkmann2004,
  author    = {Hellwig, Angelika and Volkmann, Lutz},
  title     = {Neighborhood and degree conditions for super-edge-connected bipartite digraphs},
  series = {Results in mathematics},
  volume    = {Vol. 45},
  journal   = {Results in mathematics},
  number    = {Iss. 1-2},
  issn      = {1420-9012 (E-Journal); 1422-6383 (Print)},
  pages     = {45 -- 58},
  year      = {2004},
  language  = {en}
}
@article{HellwigVolkmann2004,
  author    = {Hellwig, Angelika and Volkmann, Lutz},
  title     = {Sufficient conditions for λ′-optimality in graphs of diameter 2},
  series = {Discrete mathematics},
  volume    = {Vol. 283},
  journal   = {Discrete mathematics},
  number    = {Iss. 1-3},
  issn      = {1872-681X (E-Journal); 0012-365X (Print)},
  pages     = {113 -- 120},
  year      = {2004},
  language  = {en}
}
@inproceedings{Alt2004,
  author    = {Alt, Helmut},
  title     = {Energiewirtschaftliche Bedeutung der Windenergie im Stromerzeugungsmix},
  series = {Innovationen f{\"u}r Menschen : VDE-Kongress 2004, 18. - 20. Oktober 2004 in Berlin ; Bd. 1: Fachtagungsberichte der ITG - ETG},
  booktitle = {Innovationen f{\"u}r Menschen : VDE-Kongress 2004, 18. - 20. Oktober 2004 in Berlin ; Bd. 1: Fachtagungsberichte der ITG - ETG},
  publisher = {VDE-Verl.},
  address   = {Berlin [u.a.]},
  organization    = {Verband der Elektrotechnik, Elektronik, Informationstechnik},
  pages     = {551 -- 559},
  year      = {2004},
  language  = {de}
}
@misc{Alt2004,
  author    = {Alt, Helmut},
  title     = {Netzeinspeisung aus zeitlich flukturierenden Quellen : Vortrag DPG : Fr{\"u}hjahrstagung des Arbeitskreises Energie (AKE) im Rahmen der Jahrestagung der DPG in M{\"u}nchen vom 22. bis 26. M{\"a}rz 2004},
  pages     = {1 -- 18},
  year      = {2004},
  language  = {de}
}
@incollection{AugensteinGuerzenichKuperjansetal.2004,
  author    = {Augenstein, Eckardt and G{\"u}rzenich, D. and Kuperjans, Isabel and Wrobel, G.},
  title     = {TOP-Energy : softwaregest{\"u}tzte Analyse und Optimierung industrieller Energieversorgungssysteme},
  series = {Entwicklungslinien der Energietechnik 2004},
  booktitle = {Entwicklungslinien der Energietechnik 2004},
  edition   = {CD-ROM-Ausg.},
  publisher = {VDI},
  address   = {D{\"u}sseldorf},
  year      = {2004},
  language  = {de}
}
@incollection{SiegertPohlKneenetal.2004,
  author    = {Siegert, Petra and Pohl, Martina and Kneen, Malea M. and Pogozheva, Irina D. and Kenyon, George L. and McLeish, Michael J.},
  title     = {Exploring the substrate specificity of benzoylformate decarboxylase, pyruvate decarboxylase, and benzaldehyde lyase},
  series = {Thiamine : catalytic mechanisms in normal and disease states / ed. by Frank Jordan ...},
  booktitle = {Thiamine : catalytic mechanisms in normal and disease states / ed. by Frank Jordan ...},
  publisher = {Dekker},
  address   = {New York, NY},
  isbn      = {0-8247-4062-9},
  pages     = {275 -- 290},
  year      = {2004},
  language  = {en}
}
@incollection{BouvyKuperjans2004,
  author    = {Bouvy, C. and Kuperjans, Isabel},
  title     = {Mikro-Gasturbinen : eine neue Technologie zur Kraft-W{\"a}rme-Kopplung in kleinen und mittleren Unternehmen},
  series = {Entwicklungslinien der Energietechnik 2004},
  booktitle = {Entwicklungslinien der Energietechnik 2004},
  edition   = {CD-ROM-Ausg.},
  publisher = {VDI-Verlag},
  address   = {D{\"u}sseldorf},
  year      = {2004},
  language  = {de}
}
@article{WollertVedralGrimmetal.2004,
  author    = {Wollert, J{\"o}rg and Vedral, Andreas and Grimm, A. and Holtmann, M.},
  title     = {Bluetooth-Sicherheit : wie viel Pers{\"o}nlichkeit gebe ich preis?},
  series = {Elektronik : Fachmedium f{\"u}r industrielle Anwender und Entwickler ; Sonderh. Wireless : Fachmedium f{\"u}r Entwicklungen funkbasierter Systeme},
  volume    = {Bd. 53},
  journal   = {Elektronik : Fachmedium f{\"u}r industrielle Anwender und Entwickler ; Sonderh. Wireless : Fachmedium f{\"u}r Entwicklungen funkbasierter Systeme},
  number    = {Sonderh. M{\"a}rz},
  issn      = {0013-5658},
  pages     = {30 -- 35},
  year      = {2004},
  language  = {de}
}
@inproceedings{Wollert2004,
  author    = {Wollert, J{\"o}rg},
  title     = {Sicherheit und Sicherheitsl{\"u}cken in kabellosen Automatisierungsnetzwerken : wieviel Sicherheit braucht ein Automatisierungsnetzwerk?},
  series = {Funkgest{\"u}tzte Kommunikation in der industriellen Automatisierungstechnik : Tagung D{\"u}sseldorf, 4. und 5. Mai 2004. (VDI-Berichte ; 1843)},
  booktitle = {Funkgest{\"u}tzte Kommunikation in der industriellen Automatisierungstechnik : Tagung D{\"u}sseldorf, 4. und 5. Mai 2004. (VDI-Berichte ; 1843)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-091843-8},
  pages     = {91 -- 104},
  year      = {2004},
  language  = {de}
}
@inproceedings{VedralWollert2004,
  author    = {Vedral, Andreas and Wollert, J{\"o}rg},
  title     = {Analyse und Definition der Qualit{\"a}t von Funkkan{\"a}len f{\"u}r die Echtzeit{\"u}bertragung},
  series = {Funkgest{\"u}tzte Kommunikation in der industriellen Automatisierungstechnik : Tagung D{\"u}sseldorf, 4. und 5. Mai 2004. (VDI-Berichte ; 1843)},
  booktitle = {Funkgest{\"u}tzte Kommunikation in der industriellen Automatisierungstechnik : Tagung D{\"u}sseldorf, 4. und 5. Mai 2004. (VDI-Berichte ; 1843)},
  publisher = {VDI-Verl.},
  address   = {D{\"u}sseldorf},
  isbn      = {3-18-091843-8},
  pages     = {113 -- 122},
  year      = {2004},
  language  = {de}
}
@article{Wollert2004,
  author    = {Wollert, J{\"o}rg},
  title     = {Bluetooth, WLAN and ZigBee f{\"u}r die Automatisierungstechnik},
  series = {Etz : Elektrotechnik \& Automation},
  volume    = {Bd. 125},
  journal   = {Etz : Elektrotechnik \& Automation},
  number    = {H. 6},
  issn      = {0948-7387},
  pages     = {10 -- 18},
  year      = {2004},
  language  = {de}
}
@article{Wollert2004,
  author    = {Wollert, J{\"o}rg},
  title     = {Bluetooth in der Automatisierung : kabelfrei in eine bessere Zukunft},
  series = {Elektronik : Fachmedium f{\"u}r industrielle Anwender und Entwickler},
  volume    = {Bd. 53},
  journal   = {Elektronik : Fachmedium f{\"u}r industrielle Anwender und Entwickler},
  number    = {H. 14},
  issn      = {0013-5658},
  pages     = {42 -- 46},
  year      = {2004},
  language  = {de}
}
@inproceedings{Wollert2004,
  author    = {Wollert, J{\"o}rg},
  title     = {Sicherheit in kabellosen Netzwerken},
  series = {SPS/IPC/DRIVES 2004 : SPS/IPC/DRIVES, Elektrische Automatisierung - Systeme und Komponenten, Fachmesse \& Kongress, 23. - 25. Nov. 2004, N{\"u}rnberg},
  booktitle = {SPS/IPC/DRIVES 2004 : SPS/IPC/DRIVES, Elektrische Automatisierung - Systeme und Komponenten, Fachmesse \& Kongress, 23. - 25. Nov. 2004, N{\"u}rnberg},
  publisher = {Poing},
  address   = {Franzis},
  isbn      = {3-7723-6709-7},
  pages     = {335 -- 341},
  year      = {2004},
  language  = {de}
}
@inproceedings{HerrmannGraeterNava2004,
  author    = {Herrmann, Ulf and Graeter, F. and Nava, P.},
  title     = {Performance of the SKAL-ET Collector Loop at KJC Operating Company},
  series = {12th International Symposium Solar Power and Chemical Energy Systems, October 6-8, 2004, Oaxaca Mexico ; SolarPACES International Symposium, 12},
  booktitle = {12th International Symposium Solar Power and Chemical Energy Systems, October 6-8, 2004, Oaxaca Mexico ; SolarPACES International Symposium, 12},
  editor    = {Ramos, C.},
  publisher = {Instituto de Investigaciones Electricas},
  address   = {[s.l.]},
  isbn      = {968-6114-18-1},
  year      = {2004},
  language  = {en}
}
@inproceedings{LuepfertHerrmannPriceetal.2004,
  author    = {L{\"u}pfert, E. and Herrmann, Ulf and Price, Henry and Zarza, E. and Kistener, R.},
  title     = {Towards Standard Performance Analysis for Parabolic Trough Collector Fields},
  series = {12th International Symposium Solar Power and Chemical Energy Systems, October 6-8, 2004, Oaxaca Mexico ; SolarPACES International Symposium, 12},
  booktitle = {12th International Symposium Solar Power and Chemical Energy Systems, October 6-8, 2004, Oaxaca Mexico ; SolarPACES International Symposium, 12},
  editor    = {Ramos, C.},
  publisher = {Instituto de Investigaciones Electricas},
  address   = {[s.l.]},
  isbn      = {968-6114-18-1},
  year      = {2004},
  language  = {en}
}
@phdthesis{Herrmann2004,
  author    = {Herrmann, Ulf},
  title     = {Untersuchungen zur Rohrwandbenetzung bei der Dampferzeugung in horizontalen und geneigten Parabolrinnen-Solarkollektoren. - (FLAGSOL Forschungsbericht)},
  publisher = {FLAGSOL},
  address   = {K{\"o}ln},
  isbn      = {3-9804901-2-2},
  pages     = {IX, 145 S. : Ill., graph. Darst.},
  year      = {2004},
  language  = {de}
}