1. Field spread of potato virus A inhibited by oil;Allen;Pl. Dis. Reptr.,1965
2. Asjes, C. J. (1972). Prevention of spread of the virus disease brown ring formation (bruinkringerigheid) in the lily mid-century hybrid “Enchantment” in the Netherlands. Lilies 1972 and allied plants, Lily Committee of Royal Hort. Soc. London, 37–40.
3. Control of the spread of tulip breaking virus in tulips with mineral oil sprays;Asjes;Neth. J. PI Path.,1975
4. Papaya mosaic control by oil sprays;Bhargava;Phytopath. Z.,1969
5. Effects of depth of stylet penetration on aphid transmission of potato virus Y;Bradley;Canad. J. Microbiol.,1956