info:oai:orgprints.org:7173info:ofi/fmt:xml:xsd:bookJamarDanielJamar, Ir. DanielDecruyenaereVirginieDecruyenaere, Ir. VirginieStassartPierreStassart, Dr. PierreStilmantDidierStilmant, Dr. DidierSeutinYvesSeutin, Ing. Yves2006Re-conversion to organic farming, between organic rules and agro-food chain referential : how to fit out the organic fattening referential ?proceeding