1. Abad-Zapatero, Abdel-Mesquid, Johnson, Leslie, Rayment, Rossmann, Suck & Tsukihara, Nature, Lond. 286: 33, 1980.
2. Allen, Can. J. Pl. Sci. 49: 797, 1969.
3. Allen & Davidson, Can. J. Bot. 4: 2375, 1967.
4. Appiano & D'Agostino, J. Ultrastruct. Res. 85: 239, 1983.
5. Appiano, Pennazio, D'Agostino & Redolfi, Physiol. Pl. Path. 11: 327, 1977.
6. Appiano, D'Agostino, Redolfi & Pennazio, J. Ultrastruct. Res. 76: 173, 1981.
7. Appiano, D'Agostino, Bassi, Barbieri, Viale & Dell'Orto, J. Ultrastruct. molec. Struct. Res. 97: 31, 1986.
8. Bancroft, Adv. Virus Res. 16: 99, 1970.
9. Bassi, Barbieri, Appiano & D'Agostino, J. Ultrastruct. molec. Struct. Res. 96: 194, 1986.
10. Burgyan & Russo, J. gen. Virol. 69: 3089, 1988.
11. Burgyan, Russo & Gallitelli, J. gen. Virol. 67: 1149, 1986.
12. Burgyan, Grieco & Russo, J. gen. Viral. 70: 235, 1989.
13. Butler, J. molec. Biol. 52: 589, 1970.
14. Buttner, Jacobi & Koenig, J. Phytopath. 118: 131, 1987.
15. Campbell, Pl. Dis. Reptr 52: 589, 1969.
16. Campbell, Lovisolo & Lisa, Phytopath. Mediterranea 14: 82, 1975.
17. Carrington, Morris, Stockley & Harrison, J. molec. Biol. 194: 265, 1987.
18. Chauvin, Witz & Jacrot, J. molec. biol. 124: 641, 1978.
19. Cherif, Thèse Diplome Docteur 3eme Cycle, Univ. P. & M. Curie, Paris, 84 pp., 1981.
20. Christie & Edwardson, Monogr. Ser. Fla agric. Exp. Stn No. 9, 150 pp., 1977.
21. Crowther & Amos, Cold Spring Harbor Symp. Quant. Biol. No. 36: 489, 1971.
22. De Varennes, Russo & Maule, J. gen. Virol. 65: 1851, 1984.
23. Di Franco & Martelli, J. submicroscop. Cytol. 19: 605, 1987.
24. Di Franco, Russo & Martelli, J. gen. Virol. 65: 1233, 1984.
25. Durham, Witz & Bancroft, Virology 133: 1, 1984.
26. Finch, Klug & Leberman, J. molec. Biol. 50: 215, 1970.
27. Fischer & Lockhart, Phytopathology 67: 1352, 1977.
28. Francki, Milne & Hatta, An Atlas of Plant Viruses Vol. 1. Boca Raton: CRC Press, 222 pp., 1985.
29. Gallitelli & Hull, J. gen. Virol. 66: 1533, 1985.
30. Gallitelli & Russo, J. Phytopathol. 119: 106, 1987.
31. Gallitelli, Vovlas & Avgelis, Phytopath. Z. 106: 149, 1983.
32. Gallitelli, Hull & Koenig, J. gen. Virol. 66: 1523, 1985.
33. Gallitelli, Di Franco, Vovlas & Martelli, J. Phytopath. 126: 213, 1989a.
34. Gallitelli, Martelli & Di Franco, Phytoparasitica 17: 61, 1989b.
35. Grieco, Burgyan & Russo, Nucleic Acids Res. 17: 6383, 1989a.
36. Grieco, Burgyan & Russo, J. gen. Virol. 70: 2533, 1989b.
37. Harrison, Trends biochem. Sci. 9: 345, 1984.
38. Harrison, Olson, Schutt, Winkler & Bricogne, Nature, Lond. 276: 368, 1978.
39. Hayes, Buck & Brunt, J. gen. Virol. 65: 1239, 1984.
40. Hayes, Brunt & Buck, J. gen. Virol. 69: 3047, 1988.
41. Hibi & Furuki, CMI/AAB Descr. Pl. Viruses 302, 4 pp., 1985.
42. Hillman, Morris & Schlegel, Phytopathology 75: 361, 1985.
43. Hillman, Carrington & Morris, Cell 51: 427, 1987.
44. Hillman, Hearne, Rochon & Morris, Virology 169: 42, 1989.
45. Hogle, Kirchhausen & Harrison, J. molec. Biol. 171: 95, 1983.
46. Hogle, Maeda & Harrison, J. molec. Biol. 191: 625, 1986.
47. Hollings, Ann. appl. Biol. 50: 189, 1962.
48. Hollings & Stone, Ann. appl. Biol 56: 87, 1965.
49. Hollings & Stone, Ann. appl. Biol 80: 37, 1975.
50. Hollings, Stone & Barton, Ann. appl. Biol. 85: 233, 1977.
51. Hopper, Harrison & Sauer, J. molec. Biol. 177: 701, 1984.
52. Hsu, Seghal & Pickett, Virology 69: 587, 1976.
53. Kegler & Kegler, Arch. Phytopath. PflSchutz 17: 307, 1981.
54. Kegler & Schimanski, Arch. Phytopath. PflSchutz 18: 105, 1982.
55. Kegler, Kleinhempel & Kegler, Arch. Phytopath. PflSchutz 16: 73, 1980.
56. Koenig & Gibbs, J. gen. Virol 67: 75, 1986.
57. Koenig & Burgermeister, J. Virol. Meth. 19: 57, 1988.
58. Koenig & Kunze, Phytopath. Z. 103: 361, 1982.
59. Koenig & Lesemann, Phytopath. Z. 112: 106, 1985.
60. Koenig, Lesemann, Huth & Makkouk, Phytopathology 73: 515, 1983.
61. Kruse, Kruse, Witz, Chauvin & Jacrot, J. molec. Biol. 162: 393, 1982.
62. Lovisolo, Boll. Staz. Patol. veg. Roma, Ser. 111 14: 103, 1957.
63. Lovisolo, Bode & Volk, Phytopath. Z. 53: 323, 1965.
64. Makkouk, Koenig & Lesemann, Phytopathology 71: 572, 1981.
65. Martelli, in Handbook of Plant Virus Infections and Comparative Diagnosis, p. 61, ed. E. Kurstak, Amsterdam: Elsevier/North-Holland, 943 pp., 1981.
66. Martelli, Russo & Quacquarelli, in The Atlas of Insect and Plant Viruses, p. 257, ed. K. Maramorosch, New York: Academic Press, 478 pp., 1977.
67. Martelli, Di Franco & Russo, J. Ultrastruct. Res 88: 275, 1984.
68. Martelli, Gallitelli & Russo, in The Plant Viruses Vol. 3. Polyhedral Virions with Monopartite RNA Genomes, p. 13, ed. R. Koenig. New York: Plenum Press, 294 pp., 1988.
69. Matthews, Intervirology 17: 1, 1982.
70. Mayo, Barker & Harrison, J. gen. Virol. 59: 149, 1982.
71. Morris & Carrington, in The Plant Viruses Vol. 3. Polyhedral Virions with Monopartite RNA Genomes, p. 73, ed. R. Koenig, New York: Plenum Press, 294 pp., 1988.
72. Olson, Harrison & Bricogne, J. molec. Biol. 171: 61, 1983.
73. Orlob, Virology 35: 121, 1968.
74. Pennazio, Redolfi & Appiano, Inftore bot. Ital. 10: 363, 1978.
75. Quacquarelli & Martelli, Atti 1° Congr. Un. Fitopatol. Mediterranea, Bari, 1966 Vol. 1: 68, 1966.
76. Rana & Kyriakopoulou, Phytopath. Mediterranea 21: 101, 1982.
77. Raj, Aslam, Srivastava & Singh, J. Phytopath. 125: 283, 1989.
78. Redolfi, Cantisani & Pennazio, Phytopath. Z. 93: 325, 1978.
79. Robinson & Harrison, Nature, Lond. 297: 563, 1982.
80. Rochon & Tremaine, Abstr. 7th int. Congr. Virol., Edmonton, 1987: 85, 1987.
81. Rochon & Tremaine. Virology 169: 251, 1989.
82. Russo & Gallitelli, J. gen. Virol. 66: 2033, 1985.
83. Russo & Martelli, J. Ultrastruct. Res. 77: 105, 1981.
84. Russo, Di Franco & Martelli, J. Ultrastruct. Res. 82: 52, 1983.
85. Russo, Di Franco & Martelli, Intervirology 28: 134, 1987.
86. Russo, Burgyan, Carrington, Hillman & Morris, J. gen. Virol. 69: 401, 1988.
87. Stobbs, Cross & Manocha, Can. J. Pl. Path. 4: 134, 1982.
88. Stockley, Kirsh, Chow, Smart & Harrison, J. molec. Biol. 191: 721, 1986.
89. Teakle & Gold, Virology 19: 310, 1963.
90. Tomlinson & Faithfull, Ann. appl. Biol. 104: 485, 1984.
91. Tomlinson, Faithfull, Flewett & Beard, Nature, Lond. 300: 637, 1982.
92. Vetten & Koenig, Phytopath. Z. 108: 215, 1983.
93. Vovlas & Di Franco, Inftore fitopatol. 37: 55, 1987.
94. Weber & Stanarius, Arch. Phytopath. PflSchutz 20: 447, 1984.
95. Ziegler, Harrison & Leberman, Virology 59: 509, 1974.