TY  - BOOK
A1  - Strassner, C
A1  - Lukas, M
A1  - Løes, A-K
T1  - Certification of public organic procurement in Denmark, Finland, Italy and Norway as compared to Germany. ipopy discussion paper 5/2010
Y1  - 2010
UR  - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/3580
SN  - ISBN 978-82-17-006
CY  - Norwegen
ER  -