1. 7th International Seminar on Problems of Automatic Fire Detection, Aachen, p. 137 (1975).
2. ASTM E84-67, ASTM Book of Standards, Vol. 14, p. 358. American Society for Testing and Materials, Philadelphia (1967).
3. Symposium on Fire Test Methods, Restraint and Smoke, (1966)
4. ASTM STP, Vol. 422, p. 93. American Society for Testing and Materials, Philadelphia (1967).
5. and ASTM STP 422, p. 93. American Society for Testing Materials, Philadelphia (1967).