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1Agricultural efficiency; a Royal Society Discussion (Meeting) Agricultural efficiency; a Royal Society Discussion (Meeting)by Cooke, G.W., Royal Society of London (United Kingdom) eng, Meeting on the Mgmt. of Inputs for yet Greater Agric. Yield and Effic. eng 17-18 Nov 1976 London (UK) 14961, Pirie, N.W., Bell, G.D.H.
Published 1977Texto bibliotecaFAO IT