1. Avgelis & Quacquarelli, Phytopath. Mediterranea 13: 97, 1974a.
  2. Avgelis & Quacquarelli, Phytopath. Mediterranea 13: 160, 1974b.
  3. Dunn & Hitchborn, Virology 25: 171, 1965.
  4. Hull, Rees & Short, Virology 37: 404, 1969.
  5. Kaper & Alting Siberg, Virology 38: 407, 1969.
  6. Mink, CMI/AAB Descriptions of Plant Viruses 92, 4 pp., 1972.
  7. Quacquarelli, Piazzolla & Vovlas, J. gen. Virol. 17: 147, 1972a.
  8. Quacquarelli, Piazzolla & Vovlas, Phytopath. Mediterranea 11: 207, 1972b.
  9. Quacquarelli, Vovlas, Piazzolla, Russo & Martelli, Phytopath. Mediterranea 11: 180, 1972c.
  10. Quacquarelli, Piazzolla, Vovlas & Martelli, Mikrobiologija 10: 15, 1973.
  11. Reichmann, Virology 25: 166, 1965.
  12. Schneider, Hull & Markham, Virology 47: 320, 1972.
  13. Vovlas, Phytopath. Mediterranea 12: 102. 1973.
  14. Vovlas, Martelli & Quacquarelli, Phytopath. Mediterranea 10: 244, 1971.