@book{HesselerR{\"o}selStraßmann2014,
  author    = {Hesseler, Martin and R{\"o}sel, Christian and Straßmann, S{\"o}ren},
  title     = {ERP-Systeme anpassen},
  publisher = {Books on Demand},
  address   = {Norderstedt},
  isbn      = {978-3-7386-0065-0},
  pages     = {309},
  year      = {2014},
  language  = {de}
}
@book{G{\"o}rtzHesselerHoffmann2014,
  author    = {G{\"o}rtz, Marcus and Hesseler, Martin and Hoffmann, Ralf},
  title     = {Arbeiten mit dem Windows Client von Microsoft Dynamics NAV 2013 R/2},
  publisher = {Books on Demand},
  address   = {Norderstedt},
  isbn      = {978-3-7357-8560-2},
  pages     = {214},
  year      = {2014},
  language  = {de}
}