International Rice Research Institute. (1969). The virus diseases of the rice plant: Proceedings of a symposium at the International Rice Research Institute, April, 1967. Published for the International Rice Research Institute by the Johns Hopkins Press.

International Rice Research Institute. The Virus Diseases of the Rice Plant: Proceedings of a Symposium at the International Rice Research Institute, April, 1967. Baltimore: Published for the International Rice Research Institute by the Johns Hopkins Press, 1969.

International Rice Research Institute. The Virus Diseases of the Rice Plant: Proceedings of a Symposium at the International Rice Research Institute, April, 1967. Published for the International Rice Research Institute by the Johns Hopkins Press, 1969.