Dalrymple, Dana G. Development and spread of high-yielding rice varieties in developing countries / Dana G. Dalrymple. - Washington, D.C. : Bureau for Science and Technology, Agency for International Development, 1986. - xi, 117 p. : ill. ; Subjects--Topical Terms: Rice--VarietiesRice--Varieties. LC Class. No.: SB191.R5D28 1986 Dewey Class. No.: 633.1/8/091724