@misc{StrassnerRoehl2009,
  author    = {C Strassner and R. Roehl},
  title     = {Organic certification in the iPOPY countries and Germany. Current status and future challenges Veranstaltung: iPOPY Open Seminar Providing organic school food for youths in Europe - Policy strategies, certification and supply chain management in Denmark, Finland, Italy and Norway im Rahmen des Kongressprogramms der Fachmesse BioFach, N{\"u}rnberg, 20.02.2009},
  institution = {Oecotrophologie · Facility Management (OEF)},
  type      = {lecture},
  year        = {2009},
}