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2. Handbook of F;Lewin,1984
3. In Handbook of Organophosphorus Chemistry; Ed.; Marcel Dekker: New York, 1992; Chap 14, p 683.
4. ; ; In Recent Advance in Flame Retardancy of Opportunities of Polymeric Materials; Ed.; Business Communication Co.: Norwalk, CT, 2000; p 222.
5. Handbook of F;Petersen,1983