1. Converse & Ramsdell, Pl. Dis. 66: 710, 1982.
  2. Gillett, M.Sc. Thesis, Michigan State Univ., 104 pp., 1988.
  3. Gillett & Ramsdell, Phytopathology 74: 862, 1984.
  4. Hepp & Converse, Pl. Dis. 71: 536, 1987.
  5. Hull, Shepherd & Harvey, J. gen. Virol. 31: 93, 1976.
  6. Hutchinson, Proc. 19th Ann. Blueberry Open House 19: 9, 1950.
  7. Hutchinson & Varney, Pl. Dis. Reptr 38: 260, 1954.
  8. Kim, Ramsdell, Gillett & Fulton, Phytopathology 71: 673, 1981.
  9. Lawson & Civerolo, Phytopathology 68: 181, 1978.
  10. Ramsdell, Kim & Fulton, in: Virus Diseases of Small Fruits, USDA Agriculture Handbook No. 631: 121, 1987.
  11. Stretch & Scott, Pl. Dis. Reptr 61: 605, 1977.
  12. Stretch & Varney, in: Virus Diseases of Small Fruits and Grapevines, Univ. California Press, p. 121, 1970.