1. Attafuah, Blencowe & Brunt, Trop. Agric. Trin. 40: 229, 1963.
  2. Brunt & Kenten, Ann. appl. Biol. 50: 749, 1962.
  3. Brunt & Kenten, Virology 19: 388, 1963.
  4. Brunt, Kenten & Nixon, J. gen. Microbiol. 36: 303, 1964.
  5. Carter, Ann. N.Y. Acad. Sci. 105: 741, 1963.
  6. Crowdy & Posnette, Ann. appl. Biol. 34: 403, 1947.
  7. Dale, Rep. W. Afr. Cocoa Res. Inst. 1954-55: 33, 1955.
  8. Dale, Rep. W. Afr. Cocoa Res. Inst. 1955-56: 35, 1957.
  9. Kenten & Legg, Ghana J. Sci. 5: 221, 1965.
  10. Kenten & Legg, J. gen. Virol. 1: 467, 1967.
  11. Knight & Tinsley, Ann. appl. Biol. 46: 7, 1958.
  12. Legg & Agbodjan, Rep. Cocoa Res. Inst. Ghana 1967-68: 25, 1969.
  13. Lister, Rep. W. Afr. Cocoa Res. Inst. 1952-53: 9, 1953.
  14. Posnette, Ann. appl. Biol. 34: 388, 1947.
  15. Posnette, Ann. appl. Biol. 37: 378, 1950.
  16. Posnette & Robertson, Ann. appl. Biol. 37: 363, 1950.
  17. Posnette & Strickland, Ann. appl. Biol. 35: 53, 1948.
  18. Posnette & Todd, Ann. appl. Biol. 38: 785, 1951.
  19. Posnette, Robertson & Todd, Ann. appl. Biol. 37: 229, 1950.
  20. Roivainen, Rep. Cocoa Res. Inst. Ghana 1967-68: 40, 1969.
  21. Thresh, Emp. J. exp. Agric. 28: 193, 1960.
  22. Thresh & Tinsley, Tech. Bull. W. Aft. Cocoa Res. Inst. 7: 32 pp., 1959.
  23. Tinsley & Wharton, Ann. appl. Biol. 46: 1, 1958.