@incollection{MertensStegemann2012,
  author    = {K. Mertens and Th. Stegemann},
  title     = {PV-Teach: PV-Kennlinien modellieren und verstehen},
  booktitle = {Symposium Photovoltaische Solarenergie},
  edition   = {27},
  isbn      = {978-3-941785-82-3},
  year      = {2012},
}