@book{MaiSchumnyAlt1984,
  author    = {Mai, Herbert and Schumny, Harald and Alt, Helmut},
  title     = {Lineares Optimieren : Maximierung - Minimierung (Vieweg Programmbibliothek Mikrocomputer ; 14) / Helmut Alt ; Harald Schumny [Hrsg.]},
  publisher = {Vieweg + Teubner},
  address   = {Wiesbaden},
  isbn      = {978-3-663-14049-8 ; 978-3-528-04312-4},
  pages     = {VIII, 100 S.},
  year      = {1984},
  language  = {de}
}
@book{HoffmannLindemann1998,
  author    = {Hoffmann, Christoph P. and Lindemann, Markus},
  title     = {Logistik und Electronic Commerce - LogEC : Arbeitsbericht},
  publisher = {mcm Inst.},
  address   = {St. Gallen},
  isbn      = {3-906979-00-8},
  pages     = {XX, 161 S. : graph. Darst.},
  year      = {1998},
  language  = {de}
}
@book{SchubaSchubaReichletal.1998,
  author    = {Schuba, Marko and Schuba, Marko and Reichl, Peter and Schneider, Gaby},
  title     = {Lokale Netze - Skript zur Vorlesung an der RWTH Aachen / Spaniol, Otto,},
  publisher = {Mainz},
  address   = {Aachen},
  isbn      = {3-86073-721-X},
  pages     = {138 S. : graph. Darst.},
  year      = {1998},
  language  = {de}
}
@book{GaiserPichler1996,
  author    = {Gaiser, Lorenz and Pichler, Georg},
  title     = {Lorenz Gaiser - Weg : [... anl{\"a}ßlich der Ausstellung von Lorenz Gaiser im Dezember 1996] / [vom Frankfurter Kunstverein ... hrsg. Text: Georg Pichler]},
  publisher = {Frankfurter Kunstverein},
  address   = {Frankfurt am Main},
  isbn      = {3-928762-67-2},
  pages     = {[30] Bl. : {\"u}berw.. Ill.},
  year      = {1996},
  language  = {de}
}
@book{Huening2001,
  author    = {H{\"u}ning, Felix},
  title     = {Magnetische Eigenschaften niederdimensionaler Chrom-, Ruthenium- und Niobhalogenide},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-8551-8},
  pages     = {II, 122 S Ill., graph. Darst.},
  year      = {2001},
  language  = {en}
}
@book{PietschHerzwurm2009,
  author    = {Pietsch, Wolfram and Herzwurm, Georg},
  title     = {Management von IT-Produkten : Gesch{\"a}ftsmodelle, Leitlinien und Werkzeugkasten f{\"u}r softwareintensive Systeme und Dienstleistungen / Herzwurm, Georg ; Pietsch, Wolfram},
  publisher = {Dpunkt-Verl},
  address   = {Heidelberg},
  isbn      = {978-3-89864-562-1},
  pages     = {XVII, 370 S. : graph. Darst.},
  year      = {2009},
  language  = {de}
}
@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{FredebeulKrein1998,
  author    = {Fredebeul-Krein, Markus},
  title     = {Marktzutrittsregulierungen im Handwerk und bei technischen Dienstleistungen : eine {\"o}konomische Analyse / Markus Fredebeul-Krein ; Angela Sch{\"u}rfeld},
  publisher = {Inst. f{\"u}r Wirtschaftspolitik an der Univ. K{\"o}ln},
  address   = {K{\"o}ln},
  isbn      = {3-933812-00-3},
  pages     = {VII, 182 S. : graph. Darst.},
  year      = {1998},
  language  = {de}
}
@book{Dienst1985,
  author    = {Dienst, Karl-Jakob},
  title     = {Mathematik f{\"u}r Bauingenieure / K. J. Dienst. Fachhochsch. Aachen, Fachbereich 2, Bauingenieurwesen},
  publisher = {FH Aachen, Fachbereich 2},
  address   = {Aachen},
  pages     = {V, 212 S. : graph. Darst.},
  year      = {1985},
  language  = {de}
}
@book{Dienst1993,
  author    = {Dienst, Karl-Jakob},
  title     = {Mathematik f{\"u}r Bauingenieure / K. J. Dienst. Fachhochschule Aachen, Fachbereich Bauingenieurwesen. [Hrsg.: Rektor der Fachhochschule Aachen mit Sozialwerk Bauh{\"u}tte e.V.] . 2. Aufl.},
  publisher = {Fachhochschule Aachen, Fachbereich Bauingenieurwesen},
  address   = {Aachen},
  pages     = {V, 212 S. : graph. Darst.},
  year      = {1993},
  language  = {de}
}
@book{Schelthoff2006,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im Bachelor- und Diplomstudium f{\"u}r Bio- und Chemieingenieure},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-5309-7},
  pages     = {458 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {de}
}
@book{Schelthoff2007,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im Bachelorstudium f{\"u}r Studierende der Biotechnologie, der Prozesstechnik und der angewandten Chemie. 2. {\"u}berarb. Aufl.},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-6507-6},
  pages     = {478 S.},
  year      = {2007},
  language  = {de}
}
@book{Schelthoff2010,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im ingenieurwissenschaftlichen Bachelorstudium / 4., {\"u}berarb. Aufl.},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-9288-1},
  pages     = {542 S. : graph. Darst.},
  year      = {2010},
  language  = {de}
}
@book{Schelthoff2010,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im ingenieurwissenschaftlichen Bachelorstudium : L{\"o}sung der {\"U}bungs- und Klausuraufgaben},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-9502-8},
  pages     = {171 S. : Ill., graph. Darst.},
  year      = {2010},
  language  = {de}
}
@book{Pieper2017,
  author    = {Pieper, Martin},
  title     = {Mathematische Optimierung: Eine Einf{\"u}hrung in die kontinuierliche Optimierung mit Beispielen},
  publisher = {Springer Fachmedien},
  address   = {Wiesbaden},
  isbn      = {978-3-658-16975-6},
  doi       = {10.1007/978-3-658-16975-6},
  pages     = {IX, 53 S. 20 Abb.},
  year      = {2017},
  language  = {de}
}
@book{BudelmannButenweg2019,
  author    = {Budelmann, Harald and Butenweg, Christoph},
  title     = {Mauerwerksbau: Bemessung und Konstruktion : Baustoffe, Bemessung und Ausf{\"u}hrung, Brandschutz und Erdbeben, Nachhaltigkeit, Bewertung und Revitalisierung},
  editor    = {Gunkler, Erhard},
  edition   = {2. {\"u}berarbeitete und aktualisierte Auflage},
  publisher = {Bundesanzeiger Verlag},
  address   = {K{\"o}ln},
  isbn      = {978-3-8462-0371-2},
  pages     = {XXIV, 738 S. ; Illustrationen, Diagramme},
  year      = {2019},
  language  = {de}
}
@book{Kettern1993,
  author    = {Kettern, J{\"u}rgen},
  title     = {Mechanical and biological treatment of waste after separate collection / R. Damiecki; J.T. Kettern. Italian Ministry of Enviroment},
  publisher = {Eigenverlag},
  address   = {Caglieri},
  pages     = {16 S.},
  year      = {1993},
  language  = {en}
}
@book{GruetersPeters1982,
  author    = {Gr{\"u}ters, Hugo and Peters, Norbert},
  title     = {Mechanik. Bd. 1 Statik, Festigkeitslehre / N. Peters, H. Gr{\"u}ters},
  publisher = {Inst. f{\"u}r Techn. Mechanik, RWTH Aachen},
  address   = {Aachen},
  pages     = {[ca.] 140 S.: graph. Darst.},
  year      = {1982},
  language  = {de}
}
@book{GruetersPeters1984,
  author    = {Gr{\"u}ters, Hugo and Peters, Norbert},
  title     = {Mechanik. Bd. 2 Dynamik. Peters, Norbert; Gr{\"u}ters, Hugo},
  publisher = {Inst. f{\"u}r Techn. Mechanik, RWTH Aachen},
  address   = {Aachen},
  pages     = {138, 13 S.: graph Darst.},
  year      = {1984},
  language  = {de}
}
@book{Grueters1987,
  author    = {Gr{\"u}ters, Hugo},
  title     = {Mechanik: Vorlesung},
  publisher = {Becker-Kuns},
  address   = {Aachen},
  pages     = {253 S.: zahlr. graph. Darst.},
  year      = {1987},
  language  = {de}
}