@incollection{WiegensteinSchumacherSchinzeletal.2009,
  author    = {Andreas Wiegenstein and Markus Schumacher and Sebastian Schinzel and Frederik Weidemann},
  title     = {Sichere ABAP-Programmierung},
  booktitle = {Rheinwerk Verlag GmbH},
  isbn      = {978-3-8362-1357-8},
  year      = {2009},
}