1. J.E. Hendrix, Journal of Fire and Flammability, 1, 107, (April 1970)
2. G.E. Tesoro, C.H. Meiser, Textile Research Journal, p. 430, (May 1970)
3. G.H. Crawshaw, Bradford Textile Society Meeting, (Feb. 22, 1971 )
4. Professor J. Emmons, Modern Textiles, S. 57 (1969)
5. A.A.T.C.C. Technical Paper Competition (Dec. 1969)