@incollection{EberhardLukasStoeweretal.2013,
  author    = {Eberhard, Almuth and Lukas, Melanie and St{\"o}wer, Lene and Rohn, Holger and Lettenmeier, Michael and Teitscheid, Petra},
  title     = {Ressourceneffizienzpotenziale in der Lebensmittelproduktion an den Beispielen Obst, Gem{\"u}se und Fisch},
  series = {Holger Rohn, Nico Pastewski, Michael Lettenmeier: Ressourceneffizienz},
  booktitle = {Holger Rohn, Nico Pastewski, Michael Lettenmeier: Ressourceneffizienz},
  edition   = {1},
  publisher = {Fraunhofer Verlag},
  address   = {Stuttgart},
  isbn      = {978-3-8396-0664-3},
  pages     = {123 -- 136},
  year      = {2013},
  language  = {de}
}
@incollection{Kirsch2013,
  author    = {Kirsch, Therese},
  title     = {Reasonable selection of sustainable sourcing measures in the food sector},
  series = {Holger Rogall et al. (Hrsg.): Jahrbuch Nachhaltige {\"O}konomie 2013 - 2014},
  booktitle = {Holger Rogall et al. (Hrsg.): Jahrbuch Nachhaltige {\"O}konomie 2013 - 2014},
  publisher = {Metropolis},
  address   = {Marburg},
  isbn      = {978-3-7316-1043-4},
  pages     = {443 -- 460},
  year      = {2013},
  language  = {en}
}