info:oai:orgprints.org:7346info:ofi/fmt:xml:xsd:bookSundrumAlbertSundrum, Prof. Dr. AlbertSchneiderKerstinSchneider, Dr. KerstinRichterUweRichter, Diplo. Biologe Uwe2006Possibilities and limitations of protein supply in organic poultry and pig productionproceeding