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2by Scott, G.J. (ed.), International Potato Center, Lima (Peru) eng, Wiersema, S. (ed.), Ferguson, P.I. (ed.), Herrera, J.E. (ed.), Espinola, N. (ed.), Centro Internacional de la Papa, Lima (Peru) spa, Visayas State College of Agriculture, Baybay, Leyte (Philippines) eng
Published 1992Texto bibliotecaFAO IT