1. Anon., Rep. int. Rice Res. Inst. 1963: 114, 1964.
  2. Anon., Rep. int. Rice Res. Inst. 1964: 150, 1965.
  3. Anon., Rep. int. Rice Res. Inst. 1968: 103, 1969.
  4. Anon., Rep. int. Rice Res. Inst. 1969: 59, 1970.
  5. Gálvez, Virology 35: 418, 1968.
  6. Gálvez & Miah, Int. Rice Commn Newsl. 18: 4, 1969.
  7. Gálvez, Shikata & Miah, Phytopath. Z. 70: 53, 1971.
  8. Ling, Phytopathology 56: 1252, 1966.
  9. Ling, Bull. ent. Res. 58: 393, 1968.
  10. Ling, in Viruses, Vectors and Vegetation, New York, Inter-science Publishers, p. 255, 1969.
  11. Ling, J. econ. Ent. 63: 582, 1970.
  12. Rivera & Ou, Pl. Dis. Reptr 49: 127, 1965.
  13. Rivera & Ou, Pl. Dis. Reptr 51: 877, 1967.
  14. Wathanakul, M.S. Thesis, College Agric., Univ. Philippines, 35 pp, 1964.