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1Texto bibliotecaFAO IT
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2by Cole, D.J.A., Easter School in Agricultural Science eng 1982 34 Nottingham (UK), Foxcroft, G.R.
Published 1982Texto bibliotecaFAO IT -
3by Haresign, W., Nutrition Conference for Feed Manufacturers eng 5-7 Jan 1986 20 Sutton Bonington (UK), Cole, D.J.A.
Published 1986Texto bibliotecaFAO IT