1. Boyd, Schank, Smith, Hodges, West, Kretschmer, Brolmann & Moore, Circ. Fla Univ. agric. Exp. Stn No. S-222, 16 pp., 1973.
  2. Dirven & van Hoof, Tijdschr. PlZiekt. 66: 344, 1960.
  3. Fenner, Intervirology 7: 1, 1976.
  4. Giannotti & Milne, Virology 80: 347, 1977.
  5. Hunkar, Hung, Dulder, Schank, Holder & Edwards, Tropical Agriculture 52: 75, 1974.
  6. Ikegami & Francki, Virology 56: 404, 1973.
  7. Kitajima & Costa, In 7th International Congress of Electron Microscopy, Vol. 3, p. 323, Ed. P. Favard, 1970.
  8. Milne & Lovisolo, Adv. Virus Res. 21: 267, 1977.
  9. Milne & Luisoni, Virology 80: 12, 1977.
  10. Reddy, Boccardo, Outridge, Teakle & Black, Virology 63: 287, 1975.
  11. Schank & Edwardson, Crop Sci. 8:118, 1968.
  12. Schank, Edwardson, Christie & Overman, Euphytica 21: 344, 1972.