1. Powell, G. H. & Fulton, S. H., (1903). The Apple in Cold Storage.Bull. Bur. Pl. Ind. U.S. Dep. Agric., No. 48.
2. Brooks, C., Cooley, J. S. & Fisher, D. F. (1919). Nature and Control of Apple Scald.J. Agric. Res., 18:211?40.
3. Fidler, J. C. (1959). The Control of Superficial Scald in Apples.Proc. 10th int. Congr. Refrig., Copenhagen, 3:181?5.
4. Smock, R. M. (1961). Methods of Scald Control on the Apple.Bull. Cornell Univ. Agric. Exp. Stat., No. 970.
5. Hardenburg, R. E. (1965). Review of Literature on Harvesting, Handling, Storage and Transportation of Apples.ARS 51-4, U.S. Dep. Agric., p. 194?215.