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Rice improvement in China and other asian countries; proceedings of the first international rice research workshop, Guanzgzhou, Chimna, 1979. - Washington-US : United States Agency for International Development, 1981. - páginas 15-16 : ilustraciones blanco y negro - Trimestral - Vol.9, no.2 (Jul. 1981) - A.I.D. research & development abstracts ; no.2 . - United States Agency for International Development. .

Artículo dentro de: Agriculture-plant science. Sumarios de investigación.