TY  - GEN
A1  - Strassner, C
T1  - The certification of organic canteens all around Europe Veranstaltung: Sustainable school catering: Comparing Italian and other European experiences, Kongress, Bologna, Italien, 27-28.05.2010
Y1  - 2010
UR  - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/3593
ER  -