@article{SchinzelWeidemannWiegensteinetal.2011,
  author    = {Schinzel, Sebastian and Weidemann, Frederik and Wiegenstein, Andreas and Schumacher, Markus},
  title     = {SAP-Security - Sicherheitsl{\"o}cher in eigenem ABAP-Code stopfen},
  series = {iX - Magazin f{\"u}r professionelle Informationstechnik},
  journal   = {iX - Magazin f{\"u}r professionelle Informationstechnik},
  number    = {07},
  year      = {2011},
  language  = {mul}
}
@incollection{WiegensteinSchumacherSchinzeletal.2009,
  author    = {Wiegenstein, Andreas and Schumacher, Markus and Schinzel, Sebastian and Weidemann, Frederik},
  title     = {Sichere ABAP-Programmierung},
  series = {Rheinwerk Verlag GmbH},
  booktitle = {Rheinwerk Verlag GmbH},
  isbn      = {978-3-8362-1357-8},
  pages     = {1 -- 372},
  year      = {2009},
  language  = {de}
}