@book{HesselerGoertz2009,
  author    = {Martin Hesseler and Marcus G{\"o}rtz},
  title     = {ERP-Systeme im Einsatz},
  publisher = {W3L-Verlag},
  address   = {Herdecke},
  isbn      = {978-3-86834-006-8},
  pages     = {VII, 287},
  year      = {2009},
  language  = {de}
}