@article{JanzLoeoefPeters2004,
  author    = {Janz, Norbert and L{\"o}{\"o}f, Hans and Peters, Bettina},
  title     = {Firm Level Innovation and Productivity, Is there a Common Story Across Countries?},
  series = {Problems and Perspectives in Management (2004)},
  journal   = {Problems and Perspectives in Management (2004)},
  isbn      = {ISSN 1727-7051},
  pages     = {184 -- 204},
  year      = {2004},
  language  = {en}
}
@article{Grap2004,
  author    = {Grap, Rolf Dietmar},
  title     = {Kapazit{\"a}ten im Chemischen Labor messen und kontrollieren},
  series = {Nachrichten aus der Chemie : Zeitschrift der Gesellschaft Deutscher Chemiker. 52 (2004), H. 1},
  journal   = {Nachrichten aus der Chemie : Zeitschrift der Gesellschaft Deutscher Chemiker. 52 (2004), H. 1},
  isbn      = {1439-9598},
  pages     = {95 -- 97},
  year      = {2004},
  language  = {de}
}
@article{Gebhardt2004,
  author    = {Gebhardt, Andreas},
  title     = {Rapid Prototyping},
  series = {Landolt-B{\"o}rnstein - Group VIII Advanced Materials and Technologies‡Vol. 1 Laser Physics and Applications‡Subvol. C Laser Applications / authors: B{\"a}uerle, D. ...},
  journal   = {Landolt-B{\"o}rnstein - Group VIII Advanced Materials and Technologies‡Vol. 1 Laser Physics and Applications‡Subvol. C Laser Applications / authors: B{\"a}uerle, D. ...},
  publisher = {Heidelberg},
  address   = {Springer},
  isbn      = {3-540-00105-0},
  pages     = {105 -- 123},
  year      = {2004},
  language  = {en}
}
@article{Frings2004,
  author    = {Frings, Michael},
  title     = {Kreditfinanzierte Immobiliengesch{\"a}fte im Strukturvertrieb},
  series = {Betriebs-Berater : BB ; Zeitschrift f{\"u}r Recht und Wirtschaft (2004)},
  journal   = {Betriebs-Berater : BB ; Zeitschrift f{\"u}r Recht und Wirtschaft (2004)},
  isbn      = {0340-7918},
  pages     = {2557},
  year      = {2004},
  language  = {de}
}
@article{Frings2004,
  author    = {Frings, Michael},
  title     = {Kreditfinanzierte Immobiliengesch{\"a}fte und Verbraucherschutz},
  series = {Neue Wirtschafts-Briefe. Fach 21},
  journal   = {Neue Wirtschafts-Briefe. Fach 21},
  publisher = {Verl. Neue Wirtschafts-Briefe},
  address   = {Herne [u.a.]},
  pages     = {1495},
  year      = {2004},
  language  = {de}
}
@article{Frings2004,
  author    = {Frings, Michael},
  title     = {Verbesserter Verbraucherschutz bei kreditfinanzierten Immobiliengesch{\"a}ften},
  series = {Verbraucher und Recht : VuR (2004)},
  journal   = {Verbraucher und Recht : VuR (2004)},
  isbn      = {0930-8369},
  pages     = {404 -- 410},
  year      = {2004},
  language  = {de}
}
@article{Heuermann2004,
  author    = {Heuermann, Holger},
  title     = {A Synthesis Technique for Mono- and Mixed-Mode Symmetrical Filter},
  series = {Conference proceedings : Tuesday 12th, Wednesday 13th and Thursday 14th October, [RAI International Exhibition and Congress Centre, Amsterdam ; part of European Microwave Week 2004] / EuMA, European Microwave Association . Vol. 1},
  journal   = {Conference proceedings : Tuesday 12th, Wednesday 13th and Thursday 14th October, [RAI International Exhibition and Congress Centre, Amsterdam ; part of European Microwave Week 2004] / EuMA, European Microwave Association . Vol. 1},
  publisher = {Horizon House Publ},
  address   = {London},
  isbn      = {1-580-53992-0},
  pages     = {309 -- 312},
  year      = {2004},
  language  = {en}
}
@article{MuehlObolenski2004,
  author    = {M{\"u}hl, Thomas and Obolenski, B.},
  title     = {Webware mit elektromagnetischer Schirmwirkung},
  series = {Melliand-Textilberichte. 85 (2004), H. 5},
  journal   = {Melliand-Textilberichte. 85 (2004), H. 5},
  isbn      = {0341-0781},
  pages     = {348 -- 349},
  year      = {2004},
  language  = {de}
}
@article{HeuermannSadeghfam2004,
  author    = {Heuermann, Holger and Sadeghfam, Arash},
  title     = {Novel balanced inductor for compact differential systems / Sadeghfam, Arash; Heuermann, Holger},
  series = {Conference proceedings : Tuesday 12th, Wednesday 13th and Thursday 14th October, [RAI International Exhibition and Congress Centre, Amsterdam ; part of European Microwave Week 2004] / EuMA, European Microwave Association},
  journal   = {Conference proceedings : Tuesday 12th, Wednesday 13th and Thursday 14th October, [RAI International Exhibition and Congress Centre, Amsterdam ; part of European Microwave Week 2004] / EuMA, European Microwave Association},
  publisher = {Horizon House Publ.},
  address   = {London},
  isbn      = {1-580-53992-0},
  pages     = {709 -- 712},
  year      = {2004},
  language  = {en}
}
@article{HeuermannErkens2004,
  author    = {Heuermann, Holger and Erkens, Holger},
  title     = {Blocking structures for mixed-mode systems. / Erkens, Holger ; Heuermann, Holger},
  series = {Conference proceedings : Tuesday 12th, Wednesday 13th and Thursday 14th October, [RAI International Exhibition and Congress Centre, Amsterdam ; part of European Microwave Week 2004] / EuMA, European Microwave Association. Vol. 1},
  journal   = {Conference proceedings : Tuesday 12th, Wednesday 13th and Thursday 14th October, [RAI International Exhibition and Congress Centre, Amsterdam ; part of European Microwave Week 2004] / EuMA, European Microwave Association. Vol. 1},
  publisher = {Horizon House Publ.},
  address   = {London},
  isbn      = {1-580-53992-0},
  pages     = {297 -- 300},
  year      = {2004},
  language  = {en}
}