1. Briggs, A. A., ?The Testing of Low Expansion Foams,?Fire,77, 48 (1984).
2. Nash, P., and Whittle, J., ?Fighting Fires in Oil Storage Tanks Using Base Injection of Foam, Part I,?Fire Technology,14, p. 15 (1978).
3. UK Defence Standards 41-21, 42-22 and 42-24. Available from Directorate of Standardization, Ministry of Defence (1976).
4. US Military Specifications MIL-F-24385C: Fire Extinguishing Agent. Aqueous Film Forming Foam (AFFF) Liquid Concentrate (1981).
5. UK Ministry of Defence Specification DERD 2485.