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1by Paltrinieri, G., Direccion General de Educacion Tecnologica Agropecuaria, Mexico City (Mexico) spa, Berlijn, J.D. (ed.)
Published 1990Texto bibliotecaFAO IT -
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5by Paltrinieri, G., Direccion General de Educacion Tecnologica Agropecuaria, Mexico City (Mexico) spa, Berlijn, J.D. (ed.), Rijk, P.D. (ed.), Glass Pastor, C. (ed.)
Published 1981Texto bibliotecaFAO IT