Aoshima, F., 1999: Comparison of UV-B radiation at two places of different altitudes. Master thesis, Chiba University, 42 pp. (青島史子, 1999: 標高の異なる2地点におけるUV-Bの比較. 千葉大学修士論文, 42pp.).
Japan Meteorological Agency, 1994: Annual report of ozone layer monitoring: 1993. Japan Weather Association, 50 pp. (気象庁, 1994: オゾン層観測報告: 1993. 日本気象協会, 50pp.).
Kon, H., Matsuoka, N. and Okano, M., 2001: Fraction of UV-B to solar radiation. In Summary of the joint meeting on environmental engineering in agriculture 2001. Agric. Meteorol. Soc. Jpn., p. 35 (今久·松岡延浩·岡野通明, 2001: 日射に対するUV-Bの割合について. 農業環境工学関連4学会2001年合同大会講演要旨, p. 35).
Kumagai, T., Hidema, J., Kang, H. and Sato, T., 2001: Effects of supplemental UV-B radiation on the growth and yield of two cultivars of Japanese lowland rice (Oryza sativa L.) under the field in a cool rice-growing region of Japan. Agric. Ecos. Environ., 83, 201-208.