00543cam a2200169 a 4500 9712201155 DJB 633 IRR 1998 A041 Or. Advances in hybrid rice technology : proceedings of the 3rd International Symposium on Hybrid Rice, 14-16 November 1996, Hyderabad, India / Los Ba�nos, Philippines : IRRI, 1998. x, 443 p. : ill. ; 23 cm. Hybrid rice Virmani, Sant S., Siddiq, E. A. Muralidharan, K. EK 12261 12261