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1by Hanfman, D.T., National Agricultural Library, Beltsville, MD (USA) eng, Coleman, D.E., Tibbitt, S.J.
Published 1991Texto bibliotecaFAO IT -
2by McVey, E.M. (ed.), National Agricultural Library, Beltsville, MD (USA) eng, Hanfman, D.T. (ed.), Smith, M.F. (ed.), Young, A.T. (ed.)
Published 1989Texto bibliotecaFAO IT -
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4by Politz, M.K., National Agricultural Library, Beltsville, MD (USA) eng, Hanfman, D.T., McVey, E.M., Goldberg, D.H. (ed.), Louisiana State Univ., Baton Rouge (USA) eng
Published 1990Texto bibliotecaFAO IT