@incollection{KahlStrassnerHertwigetal.2016,
  author    = {J Kahl and C Strassner and J Hertwig and D Gould and S B{\"u}gel and F Paoletti and D Lairon},
  title     = {Learning from the organic food system as a model for sustainable food systems - the Organic Food System Program},
  booktitle = {Alexandre Meybeck \& Susanne Redfern: Sustainable value chains for sustainable food systems - A workshop of the FAO/UNEP Programme on Sustainable Food Systems},
  year      = {2016},
}