@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. In Sustainable value chains for sustainable food systems - A workshop of the FAO/UNEP Programme on Sustainable Food Systems, pp. 295-302. A. Meybeck \& S. Redfern, eds. Rome, FAO.},
  year      = {2016},
}