@article{Janz2000,
  author    = {Janz, Norbert},
  title     = {Europa braucht innovative Unternehmen},
  series = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell (2000)},
  journal   = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell (2000)},
  isbn      = {0946-4689},
  pages     = {30 -- 32},
  year      = {2000},
  language  = {de}
}
@article{Janz2005,
  author    = {Janz, Norbert},
  title     = {Der Skandal der Arbeitslosigkeit},
  series = {Christsein heute: Zeitschrift f{\"u}r Gemeinde und Familie / Bund Freier Evangelischer Gemeinden. 112 (2005), H. 4},
  journal   = {Christsein heute: Zeitschrift f{\"u}r Gemeinde und Familie / Bund Freier Evangelischer Gemeinden. 112 (2005), H. 4},
  isbn      = {0942-0061},
  pages     = {12 -- 15},
  year      = {2005},
  language  = {de}
}
@article{Janz2002,
  author    = {Janz, Norbert},
  title     = {Bremse f{\"u}r den Fortschritt. Wie Fachkr{\"a}ftemangel die Innovationskultur hemmt},
  series = {Frankfurter Allgemeine Zeitung . Sonderbeilage 204 "Unternehmer heute", B5 (2002)},
  journal   = {Frankfurter Allgemeine Zeitung . Sonderbeilage 204 "Unternehmer heute", B5 (2002)},
  year      = {2002},
  language  = {de}
}
@article{Janz2002,
  author    = {Janz, Norbert},
  title     = {Innovative Power of German Manufacturing Industry Slows Down},
  series = {ZEW news. English edition. 4 (2002), H. 2002},
  journal   = {ZEW news. English edition. 4 (2002), H. 2002},
  pages     = {5 -- 5},
  year      = {2002},
  language  = {en}
}
@article{Janz2002,
  author    = {Janz, Norbert},
  title     = {Innovationskraft der deutschen Industrie gebremst},
  series = {ZEW news. (2002)},
  journal   = {ZEW news. (2002)},
  pages     = {4 -- 4},
  year      = {2002},
  language  = {de}
}
@article{Janz2001,
  author    = {Janz, Norbert},
  title     = {Innovations in Germany: Market Novelties Gain Greater Importance},
  series = {ZEW news. English edition (2001)},
  journal   = {ZEW news. English edition (2001)},
  pages     = {3 -- 3},
  year      = {2001},
  language  = {en}
}
@article{Janz2001,
  author    = {Janz, Norbert},
  title     = {Innovationen in Deutschland: Unternehmen setzen verst{\"a}rkt auf Marktneuheiten},
  series = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 6},
  journal   = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 6},
  isbn      = {0946-4689},
  pages     = {1 -- 2},
  year      = {2001},
  language  = {de}
}
@article{Janz2001,
  author    = {Janz, Norbert},
  title     = {Innovationsverhalten im Dienstleistungssektor: Rationalisierungsmaßnahmen stehen nicht im Vordergrund},
  series = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 7},
  journal   = {EU-Magazin : unabh{\"a}ngige Zeitschrift f{\"u}r Wirtschaft, Recht und Politik in der Europ{\"a}ischen Union ; mit ZEW aktuell. 8 (2001), H. 7},
  isbn      = {0946-4689},
  pages     = {2 -- 2},
  year      = {2001},
  language  = {de}
}
@article{Janz2000,
  author    = {Janz, Norbert},
  title     = {Innovationserfolg kleiner und mittlerer Unternehmen l{\"a}ßt zu w{\"u}nschen {\"u}brig},
  series = {ZEW news (2000)},
  journal   = {ZEW news (2000)},
  pages     = {1 -- 2},
  year      = {2000},
  language  = {de}
}
@book{Janz1997,
  author    = {Janz, Norbert},
  title     = {Interpreting Estimation Result of Euler Equation Investment Models when Factor Markets are Imperfectly Competitive},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  pages     = {11 S.},
  year      = {1997},
  language  = {en}
}
@article{JacobsQuernheimAghadavoodiJolfaei1991,
  author    = {Jacobs, Stephan and Quernheim, Ulrich and Aghadavoodi Jolfaei, Masoud},
  title     = {Performance Evalutation of three Access Protocols for VSAT Networks / Ulrich Quernheim, Stephan Jacobs, Masoud Aghadavoodi Jolfaei},
  series = {Proceedings of the second European Conference on Satellite Communications : ECSC-2 ; Palais de Congr{\`e}s, Li{\`e}ge, Belgium, 22 - 24 October 1991 / [ed.: Brigitte Kaldeich]},
  journal   = {Proceedings of the second European Conference on Satellite Communications : ECSC-2 ; Palais de Congr{\`e}s, Li{\`e}ge, Belgium, 22 - 24 October 1991 / [ed.: Brigitte Kaldeich]},
  publisher = {ESA Publ. Div.},
  address   = {Noordwijk},
  isbn      = {92-9092-170-6},
  pages     = {XXXII, 533 S. : Ill., graph. Darst.},
  year      = {1991},
  language  = {en}
}
@article{JacobsQuernheim1990,
  author    = {Jacobs, Stephan and Quernheim, Ulrich},
  title     = {ARQ Error Control for Multipoint Satellite Communications / Ulrich Quernheim, Stephan Jacobs},
  series = {Computer networking : proceedings of the IFIP TC 6 Conference on Computer Networking, COMNET '90, Budapest, Hungary, 8-10 May, 1990 / edited by L{\´a}szl{\´o} Csaba, Tibor Szentiv{\´a}nyi, Katie Tarnay},
  journal   = {Computer networking : proceedings of the IFIP TC 6 Conference on Computer Networking, COMNET '90, Budapest, Hungary, 8-10 May, 1990 / edited by L{\´a}szl{\´o} Csaba, Tibor Szentiv{\´a}nyi, Katie Tarnay},
  publisher = {Elsevier},
  address   = {New York, N.Y.},
  isbn      = {0444888721},
  pages     = {xi, 505 p : ill},
  year      = {1990},
  language  = {en}
}
@article{JacobsQuernheim1990,
  author    = {Jacobs, Stephan and Quernheim, Ulrich},
  title     = {Multicopy ARQ Error Control Techniques for Multipoint Satellite Links / Ulrich Quernheim, Stephan Jacobs},
  series = {Proceedings of the IFIP TC 6 International Conference on Information Network and Data Communication : Lillehammer, Norway, 26 - 29 March, 1990 / ed. by Dipak Khakhar ...},
  journal   = {Proceedings of the IFIP TC 6 International Conference on Information Network and Data Communication : Lillehammer, Norway, 26 - 29 March, 1990 / ed. by Dipak Khakhar ...},
  publisher = {North-Holland},
  address   = {Amsterdam [u.a.]},
  isbn      = {0-444-88696-6},
  pages     = {XI, 411 S. : Ill., graph. Darst.},
  year      = {1990},
  language  = {en}
}
@article{JacobsQuernheim1990,
  author    = {Jacobs, Stephan and Quernheim, Ulrich},
  title     = {Error Control Techniques for Digital Satellite Links},
  series = {C-band antennas for regional communication systems : 1st European Conference Satellite Communications, ECSC-1, M{\"u}nchen, 28.-30.11.89 / Wolf, H. u.a. [Mitarb.]. Information und Dokumentation, Messerschmitt-B{\"o}lkow-Blohm GmbH (MBB), M{\"u}nchen},
  journal   = {C-band antennas for regional communication systems : 1st European Conference Satellite Communications, ECSC-1, M{\"u}nchen, 28.-30.11.89 / Wolf, H. u.a. [Mitarb.]. Information und Dokumentation, Messerschmitt-B{\"o}lkow-Blohm GmbH (MBB), M{\"u}nchen},
  publisher = {OTN-Berichtsstelle, Technisch-wissenschaftliche Information, Messerschmitt-B{\"o}lkow-Blohm GmbH},
  address   = {M{\"u}nchen},
  year      = {1990},
  language  = {en}
}
@article{JacobsPohlJarke1992,
  author    = {Jacobs, Stephan and Pohl, Klaus and Jarke, Matthias},
  title     = {Qualit{\"a}t von Informationssystemen / Klaus Pohl, Stephan Jacobs, Matthias Jarke},
  series = {Information als Produktionsfaktor : Karlsruhe, 28. September bis 2. Oktober 1992 / Winfried G{\"o}rke ... (Hrsg.)},
  journal   = {Information als Produktionsfaktor : Karlsruhe, 28. September bis 2. Oktober 1992 / Winfried G{\"o}rke ... (Hrsg.)},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-55960-4},
  pages     = {XV, 729 S. : Ill., graph. Darst.},
  year      = {1992},
  language  = {de}
}
@article{JacobsJarkePohletal.1993,
  author    = {Jacobs, Stephan and Jarke, Matthias and Pohl, Klaus and Bubenko, Janis},
  title     = {Requirements Engineering : An Integrated View of Representations, Process, and Domain / Jarke, Matthias ; Pohl, Klaus ; Jacobs, Stephan ; Bubenko, Janis ...},
  series = {Software engineering : 4th European Software Engineering Conference Garmisch-Partenkirchen, Germany, September 13 - 17, 1993 ; proceedings / ESEC '93. Ian Sommerville ... (eds.)},
  journal   = {Software engineering : 4th European Software Engineering Conference Garmisch-Partenkirchen, Germany, September 13 - 17, 1993 ; proceedings / ESEC '93. Ian Sommerville ... (eds.)},
  publisher = {Springer},
  address   = {Berlin [u.a.]},
  isbn      = {3-540-57209-0},
  pages     = {100 -- 114},
  year      = {1993},
  language  = {en}
}
@article{JacobsJarkePohl1994,
  author    = {Jacobs, Stephan and Jarke, Matthias and Pohl, Klaus},
  title     = {Requirements Engineering 1993},
  series = {Automated software engineering : the international journal of automated reasoning and artificial intelligence in software engineering. Vol. 1 (1994), H. No. 1},
  journal   = {Automated software engineering : the international journal of automated reasoning and artificial intelligence in software engineering. Vol. 1 (1994), H. No. 1},
  isbn      = {0928-8910},
  year      = {1994},
  language  = {en}
}
@book{JacobsJarke1994,
  author    = {Jacobs, Stephan and Jarke, Matthias},
  title     = {Requirements information management : the NATURE approach / RWTH Aachen, Fachgruppe Informatik. M. Jarke},
  publisher = {RWTH, Fachgruppe Informatik},
  address   = {Aachen},
  pages     = {27 S : graph. Darst.},
  year      = {1994},
  language  = {en}
}
@article{JacobsHolten1995,
  author    = {Jacobs, Stephan and Holten, Roland},
  title     = {Goal Driven Business Modelling - Supporting Decision Making within Information System Development},
  series = {Conference on Organizational Computing Systems : August 13 - 16, 1995, Milpitas, Calif. / general ed. Nora Comstock ...},
  journal   = {Conference on Organizational Computing Systems : August 13 - 16, 1995, Milpitas, Calif. / general ed. Nora Comstock ...},
  publisher = {ACM},
  address   = {New York, NY},
  isbn      = {0-89791-706-5},
  pages     = {III, 353 S. : graph. Darst.},
  year      = {1995},
  language  = {en}
}
@article{JacobsHermanns1996,
  author    = {Jacobs, Stephan and Hermanns, Oliver},
  title     = {Cooperative Design: Requirements on Network Technology and Document Architecture},
  series = {Selected papers of the 6th Joint European Networking Conference / guest ed.: J. Barber{\´a}},
  journal   = {Selected papers of the 6th Joint European Networking Conference / guest ed.: J. Barber{\´a}},
  publisher = {Elsevier},
  address   = {Amsterdam [u.a.]},
  pages     = {S. 428 - 600 : Ill., graph. Darst.},
  year      = {1996},
  language  = {en}
}