1. Reuber, S., Bornman, J. F. and Weissenböck, G., Plant Cell and Environment, 1996, 19, 593.
2. Lui, L., Gitz III, D. C. and McClure, J. W., Physiologia Plantarum, 1995, 93, 7253.
3. Cen, Y.-P., Weissenböck, G. and Bornman, J. F. In Physical, Biochemical and Physiological Effects of Ultraviolet Radiation on Brassica napus and Phaseolus vulgaris. PhD thesis, Lund, Sweden, ISBN 91-628-1051-0, 1993.
4. Rice-Evans, C., Miller, N. J. and Paganga, G., Trends in Plant Science, 1997, 2, 152.
5. Durkee, A. B. and Harborne, J. B., Phytochemistry, 1973, 13, 1085.