@misc{Wahrburg2009,
  author    = {U Wahrburg},
  title     = {Die Ampel zeigt gr{\"u}n. Worauf es bei der Kennzeichnung von Lebensmitteln ankommt.},
  booktitle = {Herz heute},
  volume    = {29},
  institution = {Oecotrophologie · Facility Management (OEF)},
  type      = {contributiontoperiodical},
  pages     = {25 -- 28},
  year        = {2009},
}