1. Ainsworth, Rep. exp. Res. Stn, Cheshunt for 1936: 62, 1937.
  2. Alper, Salomon & Loebenstein, Phytopathology 74: 960, 1984.
  3. Asjes, Agric. Environm. 1: 303, 1974.
  4. Asjes, Neth. J. Pl. Path. 85: 269, 1979.
  5. Asjes, Crop. Prot. 4: 485, 1985.
  6. Atanasoff, Izv. búlg. bot. Druzh. 2: 51, 1928.
  7. Bailiss, Brunt & Dale, Pl. Path. 24: 60, 1975.
  8. Barnett & Alper, Phytopathology 67: 448, 1977.
  9. Barnett & Brunt, CMI/AAB Descr. Pl. Viruses 147, 4 pp., 1975.
  10. Barnett, de Zoeten & Gaard, Phytopathology 61: 926, 1971.
  11. Blattny, Ochr. Rost. 14: 86, 1938.
  12. Brierley & McWhorter, Phytopathology 24: 4, 1934.
  13. Brierley & McWhorter, J. agric. Res. 53: 621, 1936.
  14. Brierley & Smith, Phytopathology 38: 574, 1948.
  15. Brunt, Rep. Glasshouse Crops Res. Inst., 1967: 101, 1968.
  16. Brunt, Rep. Glasshouse Crops Res. Inst., 1971: 119, 1972.
  17. Brunt, Acta Hort. 47: 45, 1975.
  18. Brunt, Ann. appl. Biol. 87: 335, 1977.
  19. Brunt & Phillips, Acta Hort. 109: 503, 1980.
  20. Carne, J. Proc. R. Soc. West. Aust. 14: 23, 1927.
  21. Derks & Hollinger, Acta. Hort. 177: 555, 1986.
  22. Derks & Vink-van den Abeele, Neth. J. Pl. Path. 86: 239, 1980.
  23. Derks, Vink-van den Abeele & Muller, Acta Hort. 110: 31, 1980.
  24. Derks, Vink-van den Abeele & Hollinger, Jversl. Lab. Bloembollenonderz., Lisse, 1982: 61, 1983.
  25. Derks, Hollinger & Vink-van den Abeele, Acta Hort. 164: 309, 1985.
  26. Deutsch & Loebenstein, Pl. Dis. Reptr 51: 318, 1967.
  27. Fukushi, Trans. Sapporo Nat. Hist. Soc. 12: 130, 1932.
  28. Griffiths, Circ. U.S. Dep. Agric. 25: 16, 1928.
  29. Hammond & Lawson, Acta Hort. 164: 225, 1985.
  30. Hammond, Brunt, Derks, Inouye, Barnett, Allen & Lawson, Acta Hort. 164: 395, 1985.
  31. Huttinga, Neth. J. Pl. Path. 79: 125, 1973.
  32. Ingelström, Växtskyddnotiser 2: 22, 1938.
  33. Inouye & Mitsuhata, Nogaku Kenkyu 57: 1, 1978.
  34. Lisa, Acta Hort. 110: 39, 1980.
  35. Loebenstein & Alper, Phytopathology 53: 349, 1963.
  36. Neergaard, Arsberetn. J. E. Ohlsens Enkes plpatol. Lab., 1938-1939, 16 pp., 1939.
  37. Russo, Martelli, Cresti & Ciampolini, Phytopath. Mediterranea 18: 189, 1979.
  38. Travis, Phytopathology 47: 454, 1957.
  39. Travis & Brierley, Pl. Dis. Reptr 41: 524, 1957.
  40. Van Slogteren, Jversl. Lab. Bloembollenonderz., Lisse, 1955: 82, 1956.
  41. Van Slogteren, Jversl. Lab. Bloembollenonderz., Lisse, 1957: 66, 1958a.
  42. Van Slogteren, Tijdschr. PlZiekt 64: 452, 1958b.