1. Atkinson, G.F. (1893) Oedema of the Tomato.Bull. Cornell Univ. Agric. Exp. Stn 53: 77–108.
2. Atkinson, G.F. (1893) Oedema of the Apple Trees.Bull. Cornell Univ. Agric. Exp. Stn 61: 305–307.
3. Balge, R.J., Struckmeyer, B. Esther and Beck, G.E. (1969) Occurrence, severity and nature of oedema inPelargonium hortorum Ait.J. Am. Soc. hort. Sci. 94: 181–183.
4. Bewley, W.F. (1934) I. Some physiological disorders of glasshouse crops.Ann. appl. Biol. 21: 319–322.
5. Chupp, C. and Sherf, A.F. (1960) Edema on vegetables,in: Vegetable Diseases and their Control, pp. 280–282. Ronald Press Co., New York, N.Y.