by N C BRADY.
by FORREST F HILL.
by FEDERICO GATMAITAN JR.
by AKITATANAKA.
by eFkqjs'k uUnu dqyJs B.
by M D BANDA.
by RANDOLPH BANKER.
by IRRI.
by W SHEMILT.
by MILA MSDINA RAMOS.
by M S SWAMINATHAN.
by THE INTERNATIONAL RICE RESEARCH INSTITUTE.
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