Herdt, R. W. Adoption, spread and production impact of modern rice varieties in Asia / R. W. Herdt and C. Capule. - Los Baǫs, Laguna : International Rice Research Institute, c1983. - 54 pages : illustrations ; 23 cm ISBN: 9711040832 Subjects--Topical Terms: Rice--Varieties--Asia. LC Class. No.: SB191 / R5H41 1983