- Ainsworth, Rep. exp. Res. Stn Cheshunt, 1938: 60, 1939.
- Blencowe & Caldwell, Ann. appl. Biol. 36: 320, 1949.
- Brierley, Phytopathology 45: 2, 1955.
- Brierley & Lorentz, Phytopathology 50: 404, 1960.
- Brierley, Smith & Doolittle, Pl. Dis. Reptr 39: 152, 1955.
- Dunez & Monsion, Annls Épiphyt. 19: 165, 1968.
- Francki, Randles, Chambers & Wilson, Virology 28: 729, 1966.
- Govier, Ann. appl. Biol. 45: 62, 1957.
- Graham, Virology 3: 427, 1957.
- Grogan, Uyemoto & Kimble, Virology 21: 36, 1963.
- Hakkaart, Neth. J. Pl. Path. 73: 181, 1967.
- Hollings, Ann. appl. Biol. 43: 86, 1955.
- Hollings & Kassanis, Jl. R. hort. Soc. 82: 339, 1957.
- Hollings & Stone, Rep. Glasshouse Crops Res. Inst. 1968: 103, 1969.
- Hollings & Stone, Ann. appl. Biol. 65: 411, 1970.
- Hollings, Stone & Brunt, Rep. Glasshouse Crops Res. Inst. 1967: 95, 1968.
- Holmes, Virology 2: 611, 1956.
- Inouye, Asatani & Mitsuhata, Nogaka Kenkyu 52: 55, 1968.
- Kennedy, Day & Eastop, A conspectus of aphids as vectors of plant viruses, London, Commonwealth Institute of Entomology, 1962.
- Lawson, Virology 32: 357, 1967a.
- Lawson, Pl. Dis. Reptr 51: 723, 1967b.
- Lawson & Hearon, Virology 41: 30, 1970.
- Marani, Phytopath. Mediterranea 8: 142, 1969.
- Noordam, Tijdschr. PlZiekt. 58: 121, 1952.
- Noordam, Bijl, Overbeek & Quiniones, Neth. J. Pl. Path. 71: 57, 1965.
- Oertel, Zentbl. Bakt. ParasitKde Abt. II 121: 276, 1967.
- Oertel, Z. PflKrankh. PflPath. PflSchutz 75: 605, 1968.
- Oertel, Nova Acta Leopoldina 189: 1, 1969.
- Praceus, Phytopath. Z. 33: 248, 1958.
- Roland, Parasitica 15: 43, 1959.
- Schmelzer, Phytopath. Z. 30: 449, 1957.
- Tochihara, Ann. phytopath. Soc. Japan 36: 1, 1970.
- Wilkinson, Ann. Bot. N.S. 17: 219, 1953.