@book{LauthTruebenbachHagemeyer2003,
  author    = {Lauth, Jakob and Tr{\"u}benbach, Peter and Hagemeyer, Alfred},
  title     = {Monomodale und polymodale Katalysatortr{\"a}ger und Katalysatoren mit engen Porengr{\"o}ssenverteilungen und deren Herstellverfahren : Europ{\"a}ische Patentschrift EP0764467B1 ; EP-Patenterteilungsdatum: 05.02.2003 / Anmelder: BASF AG, 67063 Ludwigshafen. Erfinder: Peter Tr{\"u}benbach ; Alfred Hagemeyer ; G{\"u}nter Lauth ...},
  publisher = {Europ{\"a}isches Patentamt},
  address   = {[M{\"u}nchen u.a.]},
  pages     = {33 S. : Ill.},
  year      = {2003},
  language  = {de}
}
@book{Wosnitza2003,
  author    = {Wosnitza, Franz},
  title     = {Analyse station{\"a}rer, linearer Str{\"o}mungsfelder und Gleichstrom-Netzwerke},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-86073-546-2},
  pages     = {208 S. : zahlr. graph. Darst.},
  year      = {2003},
  language  = {de}
}
@book{Fassbender2003,
  author    = {Faßbender, Heinz},
  title     = {Architektur eines F{\"u}hrungsinformationssystems unter Verwendung von Enterprise Java Beans},
  publisher = {FGAN-FKIE},
  address   = {Wachtberg},
  year      = {2003},
  language  = {de}
}
@book{SchmidtMuellerStoecker2003,
  author    = {Schmidt, Ludwig and M{\"u}ller, Thomas and St{\"o}cker, Ernst E.},
  title     = {Die Organschaft im K{\"o}rperschaftsteuer-, Gewerbesteuer- und Umsatzsteuerrecht},
  edition   = {6. Aufl.},
  publisher = {Verl. Neue Wirtschafts-Briefe},
  address   = {Herne},
  isbn      = {3-482-44606-7},
  pages     = {429 S.},
  year      = {2003},
  language  = {de}
}
@book{FissabreSchmidtSonnleitner2003,
  author    = {Fissabre, Anke and Schmidt, Klaus and Sonnleitner, Andrea},
  title     = {Fachwerkscheunen in Berlin und Brandenburg},
  isbn      = {3-937251-29-4},
  pages     = {96 S. : zahlr. Ill., graph. Darst.},
  year      = {2003},
  language  = {de}
}
@book{Laack2003,
  author    = {Laack, Walter van},
  title     = {A better history of our world / Vol. 3. Death},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-936624-01-4},
  pages     = {276 S.},
  year      = {2003},
  language  = {en}
}
@book{RitzBenzStender2003,
  author    = {Ritz, Thomas and Benz, Axel and Stender, Michael},
  title     = {Marktstudie mobile CRM-Systeme},
  publisher = {Fraunhofer-IRB-Verl.},
  address   = {Stuttgart},
  isbn      = {3-8167-6361-8},
  pages     = {244 S. : Ill., graph. Darst.},
  year      = {2003},
  language  = {en}
}
@book{StaatHeitzer2003,
  author    = {Staat, Manfred and Heitzer, Michael},
  title     = {Numerical methods for limit and shakedown analysis. Deterministic and probabilistic problems.},
  publisher = {John von Neumann Institute for Computing (NIC)},
  address   = {J{\"u}lich},
  isbn      = {3-00-010001-6},
  pages     = {2, xiii, 282 Seiten},
  year      = {2003},
  language  = {en}
}
@book{Kern2004,
  author    = {Kern, Alexander},
  title     = {Blitz- und {\"U}berspannungsschutz f{\"u}r Anlagen der regenerativen Energietechnik},
  publisher = {Fachhochschule Aachen, Abt. J{\"u}lich},
  address   = {Aachen},
  year      = {2004},
  language  = {de}
}
@book{SammHemme2004,
  author    = {Samm, Doris and Hemme, Heinrich},
  title     = {Physikalische Denksportaufgaben},
  publisher = {Klett},
  address   = {Stuttgart},
  isbn      = {3-12-772531-0},
  year      = {2004},
  language  = {de}
}