na INLIS000000000004326 Ind 0010-1118004326 Hybrid rice technology new developments and future prospects: selected papers from the International Rice Research Conference INTERNATIONAL RICE RESEARCH INSTITUTE Edited by S.S. Virmani Los Banos IRRI 1994 296 p.: ill., 23 cm. 296 p.: ill., 23 cm. 971-22-0053-1 633.18HYB 633.18-152 ORYZA SATIVA HYBRIDIZATION TECHNOLOGY 506/95-mfn6070