- زرگری، ع.، 1372. گیاهان دارویی. جلد چهارم، انتشارات دانشگاه تهران، تهران، چاپ پنجم، 923 صفحه.
- Caldwell, M.M., Bjorn, L.O., Borman, J.F., Flint, S.D., Kulandaivelu, G., Teramura, A.H. and Tevini, M., 1998. Effect of increased solar ultraviolet radiation on terrestrial ecosystems. Journal of Photochemistry and Photobiology, 46: 40-52.
- Combest, W.L., 2000. Aloe vera. U.S. Pharmacist, 25(4): 64-74.
- Dixon, P., Weinig, C. and Schmitt, J., 2001. Susceptibility to UV damage in Impatiens capensis (Balsaminaceae): testing for opportunity costs to shade-avoidance and population differentiation American Journal of Botany, 88: 1401-1408.
- Ensminger, P.A., 1993. Control of development in plants and fungi by far-UV radiation. Physiol. Plant, 88: 501-508.
- Ghanati, F., Morita, A. and Yokota, H., 2002. Induction of suberin and increase of lignin content by excess Boron in Tobacco cells. Soil Science and Plant Nutrition, 48(3): 357-364.
- Hilal, M., Parrado, M.F., Rosa, M., Gallardo, M., Orce, L., Massa, E.M., Gonzalez, J.A. and Prado, F.E., 2004. Epidermal lignin deposition in Quinoa cotyledons in response to UV-B radiation. Photochemistry and Photobiology, 79: 205-210.
- Jansen, M.A.K., Gaba, V. and Greenberg, BM., 1998. Higher plants and UV-B radiation: balancing damage, repair and acclimation. Trends in Plant Science, 3: 131-135.
- Jansen, M.A.K., Van den Noort, R.E., Adillah Tan, M.Y., Els Prinsen, L., Lagrimini, M., and Thorneley, R.N.F., 2001. Phenol-Oxidizing Peroxidases Contribute to the Protection of Plants from Ultraviolet Radiation Stress. Plant Physiology, 126: 1012-1023.
- Jung Hans-Joachim, G. and Weithing, M., 1998. Lignification of plant cell walls: Impact of Genetic Manipulation, 95: 12743-12745.
- Krizek, D.T., Brita, S.J. and Miewcki, R.M., 1998. Inhibitory effects of ambient level of solar UV-A and UV-B on growth of cv. New Red Fire lettuce. Physiologia Plantarum, 103: 1-7.
- Krizek, D.T., Kramer, G.F., Upadhyaya. A. and Mirecki., R.M., 1993. UV-B response of cucumber seedling grown under metal halide and high pressure sodium/deluxe lamps. Physiologia Plantarum, 88: 350-358.
- Lumsden, P., 1997. Plants and UV-B: responses to environmental change. CambridgeUniversity Press, New York, 339p.
- Manetas, Y., Petropoulou, Y., Stamatakis, K., Nikolopoulos, D., Levizou, E., Psaras, G. and Karabourniotis, G., 1997. Beneficial effects of enhanced UV-B radiation under field conditions: improvement of needle water relations and survival capacity of Pinus pinea L. seedlings during the dry Mediterranean summer. Plant Ecology, 128: 100-108.
- MC Ainsh, T.F., 1986. Physics in medicine and biology encyclopedia medical physics. Bioengineering and Biophysics, pp: 856-857.
- Ormrod, D.P. and Hale, B.A., 2000. Physiological responses of plants and crops to ultraviolet-B radiation stress. Air Pollution, 761-770.
- Santos, I., Almeida, J. and Salema, R., 1999. The influence of UV-B radiation on the superoxied dismutase of maize, potato, sorghum and wheat leaves. Canadian Journal of Botany, 77: 70-76.
- Sharma, R., 2001. Impact of solar UV-B radiation on rice. Seawpit 98 & seawpit 2000, 1: 92-101.
- Sheila, K. and Sarah, B., 1996. Clayton,s Electrotherapy. 10th Edition, pp. 218-238.
- Small wood, M.F., Calvert, C.M. and Bowles, D.J., 1999. Plant Responses to Environmental stress. Annals of Botany, 85(4): 578-580.
- Searles, P.S., Flint, S.D. and Caldwell, M.M., 2001. A meta-analysis of plant field studies simulating stratospheric ozone depletion. Oecologia, 127: 1-10.
- Schmidt, A., Ormrod, D.P., Livingston, N.J. and Misra, S., 2000. The interaction genotypes. Arabidopsis thaliana of ultraviolet-B radiation and water deficit in two Ann. Botany, 85: 571-575.
- Ziska, L.H., Teramura, A.H., Sullivan, J.H., McCoy, A., 1993. Influence of ultraviolet-B (UV-B) radiation on photosynthetic and growth characteristics in field-grown cassava (Manihot esculentum Crantz). Plant and Cell Environment, 16: 73-79.