International Rice Research Institute text Manila, Philippines International Rice Research Institute 1982 553 p. : ills. ; 23 cm. International Rice Research Institute ORYZA SATIVA, RESEARCH, STRATEGIES, IRRI, RICE BREEDING 633.18 INT r 20241114083438 INLIS000000000004944 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)