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2. Ugawa, M., T. Miyajima, S. Adachi, H. Tanaka, M. Nunoura and Y. Maeda,Osaka-fu-ritsu Koeikenshoho Koshu-Eisei-hen 23:87 (1985).
3. Mcpherson, B.P., and N. Omelczenko,J. Am. Oil Chem. Soc. 57:388 (1980).
4. Theidel, H.,Environ. Qual. Saf., Suppl. 4 (Fluoresc. Whitening Agents):111 (1975).
5. Anders, G.,Ibid.:143 (1975).