info:oai:orgprints.org:7657info:ofi/fmt:xml:xsd:bookHuberM.A.S.Huber, MD M.A.S.BloksmaJ.Bloksma, Drs. J.van der BurgtG.J.van der Burgt, Drs. G.J.van de VijverL.C.L.van de Vijver, Dr. L.C.L.2006Challenges for an organic food quality concept- the Inner Quality Concept Requirements demonstrated on an experimental concept proceeding