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1by Todd, H.G.S., International Federation of Agricultural Producers, 75 - Paris (France) eng, IEC Prod. and Mktg. Conf. eng 16-21 Sep 1978 Rio de Janeiro (Brazil) 12349, Delaunay, H., Winfridsson, O., Schmit, L. von, International Egg Commission, London (United Kingdom) eng
Published 1978Texto bibliotecaFAO IT