1. Baldacci, Belli, Betto & Refatti, Annali Fac. Agr. Univ. Milano 10: 23, 1962.
  2. Barabino, Hort. Res. 3: 27, 1963.
  3. Brückbauer & Rüdel, Wein-Wiss. 16: 177, 1961a.
  4. Brückbauer & Rüdel, Wein-Wiss. 16: 197, 196lb.
  5. Cadman, Dias & Harrison, Nature, Lond. 187: 577, 1960.
  6. Cohn, Tanne & Nitzany, Phytopathology 60: 181, 1970.
  7. Cory & Hewitt, Phytopathology 58: 1316, 1968.
  8. Das & Raski, Nematologica 14: 55, 1968.
  9. Dias, Comunic. ao 13e Congr. Luso-Esp. Prog. Cienc. 5: 167, 1950a.
  10. Dias, Comunic. ao 13e Congr. Luso-Esp. Prog. Cienc. 5: 177, 1950b;
  11. Dias, Ann. appl. Biol. 51: 85, 1963.
  12. Dias & Harrison, Ann. appl. Biol. 51: 97, 1963.
  13. Gerola, Bassi & Belli, G. bot. ital. 103: 271, 1969.
  14. Gifford, Hewitt, Graham & Lamoureux, Bull. Calif. Dep. Agric. 45: 268, 1956.
  15. Goheen & Hewitt, Am. J. Enol. Vitic. 13: 73, 1962.
  16. Graniti, Phytopath. Mediterranea. 3: 19, 1964.
  17. Graniti & Martelli, Proc. Int. Conf. on Virus Vector Peren. Hosts, Univ. Cal. Agr. Sci., Davis: 168, 1965.
  18. Hewitt, Bull. Calif. Dep. Agric. 39: 61, 1950a.
  19. Hewitt, Bull. Calif. Dep. Agric. 39: 62, 1950b.
  20. Hewitt, Rev. appl. Mycol. 47: 433, 1968.
  21. Hewitt & Cory, Proc. Int. Conf. Virus Vector Peren. Hosts, Univ. Cal. Agr. Sci., Davis: 322, 1965.
  22. Hewitt, Raski & Goheen, Phytopathology 48: 586, 1958.
  23. Martelli, Annali Fac. Agr. Univ. Bari 16: 307, 1962.
  24. Martelli, Graniti, Lamberti & Quacquarelli, Phytopath. Mediterranea 5: 122, 1966.
  25. Martelli & Hewitt, Phytopath. Mediterranea 2: 275, 1963a.
  26. Martelli & Hewitt, Phytopath. Mediterranea 2: 285, 1963b.
  27. Raski, Hewitt, Goheen, Taylor & Taylor, Nematologica 11: 349, 1965.
  28. Taylor & Hewitt, Aust. J. agric. Res. 15: 571, 1964.
  29. Vuittenez, C. r. hebd. Séanc. Acad. Agric. Fr. 49: 795, 1963.