TY  - JOUR
A1  - Lukas, M
A1  - Strassner, C
A1  - Løes, A-K
T1  - A need for harmonization across Europe? Certification of organic catering.
T2  - Ecology & Farming
Y1  - 2011
UR  - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/4194
IS  - Nr. 5
SP  - 29
EP  - 31
ER  -