@book{HackLindemann2008,
  author    = {Hack, Stefan and Lindemann, Markus},
  title     = {Enterprise SOA Roadmap},
  publisher = {Galileo Pr.},
  address   = {Bonn},
  isbn      = {1-59229-162-7},
  pages     = {417 S. : Ill., graph. Darst.},
  year      = {2008},
  language  = {en}
}
@book{HackLindemann2007,
  author    = {Hack, Stefan and Lindemann, Markus},
  title     = {Enterprise SOA einf{\"u}hren},
  publisher = {Galileo Pr.},
  address   = {Bonn},
  isbn      = {978-3-89842-858-3},
  pages     = {443 S. : Ill., graph. Darst.},
  year      = {2007},
  language  = {de}
}
@book{HaynWalderseeBenzeletal.2009,
  author    = {Hayn, Sven and Waldersee, Georg Graf and Benzel, Ute and Linzbach, Meike},
  title     = {HGB/HGB-BilMoG/Steuerbilanz im Vergleich : synoptische Darstellung von Handels- und Steuerbilanzrecht. - Sven Hayn, Georg Graf Waldersee, Ute Benzel. Unter Mitarb. von Meike Linzbach ...},
  edition   = {1. Aufl.},
  publisher = {Sch{\"a}ffer-Poeschel},
  address   = {Stuttgart},
  isbn      = {978-3-7910-2931-3},
  pages     = {XIX, 219 S.},
  year      = {2009},
  language  = {de}
}
@book{HaynWalderseeBenzeletal.2012,
  author    = {Hayn, Sven and Waldersee, Georg Graf and Benzel, Ute and Utzerath, Meike},
  title     = {HGB und Steuerbilanz im Vergleich: synoptische Darstellung von Handels- und Steuerbilanzrecht / Sven Hayn, Georg Graf Waldersee, Ute Benzel unter Mitarb. von Meike Utzerath ...},
  edition   = {2., {\"u}berarb. Aufl.},
  publisher = {Sch{\"a}ffer-Poeschel},
  address   = {Stuttgart},
  isbn      = {978-3-7910-3222-1},
  pages     = {XIX, 188 S.},
  year      = {2012},
  language  = {de}
}
@book{Hoepner1994,
  author    = {Hoepner, Gert},
  title     = {Computereinsatz bei Befragungen},
  publisher = {Dt. Univ.-Verl.},
  address   = {Wiesbaden},
  isbn      = {3-8244-0206-8},
  pages     = {XX, 289 S. : graph. Darst.},
  year      = {1994},
  language  = {de}
}
@book{Hoepner2000,
  author    = {Hoepner, Gert},
  title     = {Unternehmensf{\"u}hrung : strategische Planung zur Unternehmenssimulation Ludus. 2. Aufl.},
  publisher = {Neinhaus},
  address   = {Stuttgart},
  isbn      = {3-87575-017-9},
  pages     = {VII, 101 S.},
  year      = {2000},
  language  = {de}
}
@book{HoepnerJanzSiersetal.2008,
  author    = {Hoepner, Gert and Janz, Norbert and Siers, Carsten and Honert, Matthias},
  title     = {Zukunftsstudie Vertriebsnavigator / durchgef{\"u}hrt von der Fachhochschule Aachen und Axantos sales consultancy GmbH},
  publisher = {Axantos sales consultancy GmbH},
  address   = {D{\"u}sseldorf},
  pages     = {25 Bl. : graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{HoepnerJanzSiersetal.2008,
  author    = {Hoepner, Gert and Janz, Norbert and Siers, Carsten and Honert, Matthias},
  title     = {Zukunfts- und Benchmarkstudie Vertriebsnavigator / durchgef{\"u}hrt von der Fachhochschule Aachen und Axantos sales consultancy GmbH},
  publisher = {Axantos sales consultancy GmbH},
  address   = {D{\"u}sseldorf},
  pages     = {28 Bl. : graph. Darst.},
  year      = {2008},
  language  = {de}
}
@book{HoepnerSchminke2012,
  author    = {Hoepner, Gert and Schminke, Lutz H.},
  title     = {Dialog-Marketing und E-Commerce : ein anwendungsorientiertes und konzeptionelles Kompendium f{\"u}r Praxis und Ausbildung},
  publisher = {Uni-ed. GmbH},
  address   = {Berlin},
  isbn      = {978-3-942171-23-6},
  pages     = {XXXI, 339 S.: graph. Darst.},
  year      = {2012},
  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}
}