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1by Rutto, J.K., Nebraska Univ., Lincoln (USA). Dept. of Agronomy - Thesis (Master of science) eng
Published SepTexto bibliotecaFAO IT -
2by Rodriguez, J.A., FAO, Rome (Italy) eng, Nebraska Univ., Lincoln (USA). Dept. of Agronomy - Thesis (Master of science) eng
Published AugTexto bibliotecaFAO IT -
3by Miany, F.K., FAO, Rome (Italy) eng, Nebraska Univ., Lincoln (USA). Dept. of Agronomy - Thesis (Master of science) eng
Published MayTexto bibliotecaFAO IT