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Woynarovich, Andras and Moth-Poulsen, Thomas and Peteri, Andras (2010) Carp polyculture in Central and Eastern Europe, the Caucasus and Central Asia: A Manual. FAO Fisheries and Aquaculture Technical Paper No.554 . Food and Agricultural Organisation (FAO), Rome. ISBN 978-92-5-106666-9/2070-7010