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1
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2Conference Proceedings bibliotecaCIMMYT
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3Other bibliotecaCIMMYT
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4Journal Article bibliotecaCGIAR
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5Texto bibliotecaECOSUR
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6by Fischer, K.S., International Maize and Wheat Improvement Center, Mexico City (Mexico) eng, Johnson, E.C., Edmeades, G.O.
Published 1983Texto bibliotecaFAO IT -
7by 81349 Johnson, E.C.K., 118656 Shukla, S., 89488 Magrabi, F.M., 128495 Verma, A., 10756 Illinois Univ., Urbana, Il. (EUA). College of Agriculture
Published 1987Texto bibliotecaIICA