@misc{WerseKamphausenMartens2020,
  author    = {Bernd Werse and Gerrit Kamphausen and Jennifer Martens},
  title     = {MoSyD-Jahresbericht 2019 : Drogentrends in Frankfurt am Main},
  booktitle = {Drogentrends in Frankfurt am Main : Jahresbericht MoSyD},
  volume    = {2019},
  institution = {Erziehungswissenschaften},
  type      = {periodicalpart},
  pages     = {147},
  year        = {2020},
}