@misc{Strassner2012, author = {C Strassner}, title = {Organic catering and impact on environment. Citizen commitment to environmental protection through organic catering. Veranstaltung: Organic Catering and Green Public Procurement (Bio-Catering und umweltbewusstes {\"o}ffentliches Beschaffungswesen), GastroForum im Rahmen des Kongressprogramms der Fachmesse BioFach N{\"u}rnberg, 17.02.2012}, institution = {Oecotrophologie ยท Facility Management (OEF)}, type = {lecture}, year = {2012}, }