1. A’Brook, Rep. Welsh Pl. Breed. Stn 1970: 42, 1971.
  2. Atkinson, Pl. Dis. Reptr 29: 86, 1945.
  3. Bruehl & Damsteegt, Pl. Dis. Reptr 45: 884, 1961.
  4. Catherall & Hayes, Pl. Path. 19: 78, 1970.
  5. Coffman, Hebert, Gore & Byrd, Pl. Dis. Reptr 47: 54,1963.
  6. Edwardson, Monogr. Florida agric. Exp. Stn 4, 398 pp., 1974.
  7. Gold, McKinney & Scott, Proc. 4th int. Cong. Crop Protection, Hamburg 1957 1: 351, 1959.
  8. Inouye, Nogaku Kenyu 52: 31, 1968a.
  9. Inouye, Ann. phytopath. Soc. Japan 34: 301, 1968b.
  10. MacFarlane, Jenkins & Melville, Pl. Path. 17: 167, 1968.
  11. McKinney, Phytopathology 36: 359, 1946.
  12. Panizo, Ph.D. Thesis, N. Carolina State Univ., 1975.
  13. Slykhuis, Pl. Prot. Bull. F.A.O. 10: 1, 1962.
  14. Slykhuis, Phytopathology 60: 319, 1970.
  15. Smith, Ph.D. Thesis, N. Carolina State Univ., 1973.
  16. Toler & Hebert, Pl. Dis. Reptr 47: 58, 1963.
  17. Toler & Hebert, Phytopathology 54: 428, 1964.
  18. Toler & Hebert, Pl. Dis. Reptr 49: 553, 1965.
  19. Watson, Rep. Rothamsted exp. Stn 1967: 126, 1968.