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2. Dow Chemical Co., Brit. Patent 924, 945, 1960; C.A., 60, 734g (1964).
3. Leebrook, J. R. and Cassidy, J. J.; Belg. Patent 627, 622 to M & T Chemicals, Inc. 1963; C.A., 60, 16059d ( 1964).
4. Pumpelly, C. T. "Fire-Extinguishing and Fire-Proofing", Chapter 6 in "Bromine and Its Compounds ", Z. E. Jolles, Editor, Academic Press, New York, N. Y., 1966, p. 669-671.