1. Chessin, Zaitlin & Solberg, Phytopathology 57: 452, 1967.
  2. Goldin, C. r. Acad. Sci. U.R.S.S., N.S. 88: 933, 1953.
  3. Goto & Oshima, Ann. phytopath. Soc. Japan 27: 109, 1962.
  4. Hollings, Acta Hort. 36: 23, 1974.
  5. Holmes, Phytopathology 31: 1089, 1941.
  6. Holmes, Phytopathology 40: 487, 1950.
  7. Juretic, Phytopath. Z. 79: 16, 1974.
  8. Juretic, Milicic & Mamula, Acta bot. croat. 32: 29, 1973.
  9. Juretic & Wetter, Proc. 7th Conf. Czechoslov. Pl. Virol, High Tatras, 1971: 369, 1973.
  10. Juretic, Wrischer & Polák, Biológia Pl. 11: 284, 1969.
  11. Knight, J. biol. Chem. 197: 241, 1952.
  12. Knight & Lauffer, J. biol. Chem. 144: 411, 1942.
  13. Kovachevsky, Phytopath. Z. 49: 127, 1963.
  14. Kovachevsky, Proc. 6th Conf. Czechoslov. Pl. Viral., Olomouc, 1967: 250, 1969.
  15. Milicic, Stefanac, Juretic & Wrischer, Virology 35: 356, 1968.
  16. Oshima, Ohashi & Umekawa, Ann. phytopath. Soc. Japan 37: 319, 1971.
  17. Oshima, Ohashi & Umekawa, Ann. phytopath. Soc. Japan 40: 243, 1974.
  18. Oster, J. biol. Chem. 190: 55, 1951.
  19. Pei, Acta microbiol. sin. 8: 420, 1962.
  20. Polák, Proc. 5th Conf. Czechoslov. Pl. Viral., Prague, 1962: 168, 1962.
  21. Schumann, Phytopath. Z. 48: 1, 1963.
  22. Siegel & Wildman, Phytopathology 44: 277, 1954.
  23. Tochihara, Komuro & Kobari, Proc. Kanto Pl. Prot. Soc. 11: 46, 1964.
  24. Valleau & Johnson, Phytopathology 33: 210, 1943.
  25. van Regenmortel, Virology 31: 467, 1967.
  26. Wittmann, Hindennach & Wittmann-Liebold, Z. Naturforsch. B24: 877, 1969.