Velimirov, Alberta; Brandt, Kirsten; Lück, Lorna; Wyss, Gabriela and Torjusen, Hanne (2005) Production of Apples Control of Quality and Safety in Organic Production Chains. Organic HACCP, Nr. 13. Forschungsinstitut für biologischen Landbau, CH-5070 Frick; University of Newcastle, UK-NE1 7RU,Newcastle upon Tyne. [ Unpublished, ]