2015-06-302015-06-3020152071-1050urn:nbn:de:hebis:34-2015063048606http://hdl.handle.net/123456789/2015063048606engUrheberrechtlich geschützthttps://rightsstatements.org/page/InC/1.0/380630Information needs for a purchase of fairtrade coffeeAufsatz