1. Barbara, Clark, Thresh & Casper, Ann. appl. Biol. 90: 395, 1978.
  2. Bock, Ann. appl. Biol. 59: 437, 1967.
  3. Bos, Huttinga & Maat, Neth. J. Pl. Path. 86: 79, 1980.
  4. Casper, Phytopathology 63: 238, 1973.
  5. Cation, Phytopathology 39: 37, 1949.
  6. Converse & Lister, Phytopathology 59: 325, 1969.
  7. Davidson & George, Can. J. Pl. Sci. 44: 471, 1964.
  8. Fritzsche & Kegler, TagBer. dt. Akad. LandwWiss. Berl. 97: 289, 1968.
  9. Fulton, Phytopathology 58: 635, 1968.
  10. Fulton, Phytopathology 72: 1345, 1982.
  11. George & Davidson, Can. J. Pl. Sci. 43: 276, 1963.
  12. Gilmer, Pl. Dis. Reptr 39: 727, 1955.
  13. Gonsalves & Fulton, Virology 81: 398, 1977.
  14. Gonsalves & Garnsey, Virology 67: 311, 1975a.
  15. Gonsalves & Garnsey, Virology 67: 319, 1975b.
  16. Halk & Fulton, Virology 91: 434, 1978.
  17. Hampton, Phytopathology 56: 650, 1966.
  18. Hampton & Fulton, Virology 13: 44, 1961.
  19. Hull, Hills & Markham, Virology 37: 416, 1969.
  20. Jones & Mayo, Ann. appl. Biol. 79: 297, 1975.
  21. Kaiser, Wyatt & Pesho, Phytopathology 72: 1508, 1982.
  22. Lister & Saksena, Virology 70: 440, 1976.
  23. Mink, Virology 26: 700, 1965.
  24. Proeseler, Phytopath. Z. 63: 1, 1968.
  25. Nyland & Lowe, Phytopathology 54: 1435, 1964.
  26. Shepherd, Francki, Hirth, Hollings, Inouye, Macleod, Purcifull, Sinha, Tremaine & Valenta, Intervirology 6: 181, 1975/76.
  27. Swenson & Milbrath, Phytopathology 54: 399, 1964.
  28. Uyeda & Mink, Phytopathology 71: 1264, 1981.
  29. Uyeda & Mink, Phytopathology 73: 47, 1983.
  30. Van Vloten-Doting, Virology 65: 215, 1975.
  31. Van Vloten-Doting, Francki, Fulton, Kaper & Lane, Intervirology 15: 198, 1981.