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by Crop Science Society of America Division C-6.; Crop Science Society of America Diviion C-3.; American Society of Agronomy.; Marten, G. C.;
Year: 1989., Callno: 636.084.22 GRA
Book
by Australian/United States of America Agreement on Scientific and Technical Cooperation.; Marten, G. C.; New Zealand/United States of America Science and Technology Agreement.; American Society of Agronomy.;
Year: 1989., Callno: 633.31/.37 PER
Book