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. ; 28 cm. Includes bibliographies. LCCN: 86071411 Subjects--Topical Terms: Rice--Varieties.Rice--Varieties--Developing countries. LC Class. No.: SB191.R5 / D28 1986 Dewey Class. No.: 633.1/8/091724