@article{LukasLoesNoeltingetal.2012,
  author    = {Lukas, M and L{\o}es, A-K and N{\"o}lting, B and Strassner, C},
  title     = {School meals. How to increase organic food consumption in schools.},
  series = {Ecology \& Farming},
  journal   = {Ecology \& Farming},
  number    = {Nr. 2},
  pages     = {24 -- 26},
  year      = {2012},
  language  = {mul}
}
@article{LukasStrassner2012,
  author    = {Lukas, M and Strassner, C},
  title     = {Praxisorientiertes Nachhaltigkeitshandeln in der Gemeinschaftsgastronomie},
  series = {Ern{\"a}hrungsumschau},
  journal   = {Ern{\"a}hrungsumschau},
  number    = {59},
  pages     = {621 -- 625},
  year      = {2012},
  language  = {de}
}