@article{Winzer2013,
  author    = {Winzer, Jan-Erik},
  title     = {Potsdam - Sansibar - Town : kommunale Handlungsoptionen gegen den Klimawandel},
  isbn      = {978-3-941880-79-5},
  year      = {2013},
  language  = {de}
}
@article{Winzer2013,
  author    = {Winzer, Jan-Erik},
  title     = {Sansibar und der Klimawandel},
  isbn      = {978-3-941880-62-7},
  year      = {2013},
  language  = {de}
}
@article{Winzer2013,
  author    = {Winzer, Jan-Erik},
  title     = {Vorwort},
  isbn      = {978-3-941880-62-7},
  year      = {2013},
  language  = {de}
}