00527nam a2200157Ia 4500008004100000082002300041100002300064245008300087260005400170300000800224650004100232650003400273653002500307653002800332653000900360170901s1986    xx            000 0 und d  a633.18091724bD12D  aDalrymple, Dana G. 0aDevelopment And Spread of High-Yielding Rice Varieties in Developing Countries  aD.C.bAgency for International Development.c1986  a117  aAgriculture and related technologies  aTechnology (Applied sciences)  aDeveloping countries  aHigh yielding varieties  aRice