1. Northern Research Eng. Corp. Report;Anon,1968
2. K. H. Homann and H. G. Wagner, “Chemistry of Carbon Formation in Flames,” Proc. Roy. Soc, Vol. 307A, 1968, pp. 141–152.
3. B. B. Chakraborty and R. Long, “The Formation of Soot and Polycyclic Aromatic Hydrocarbons in Diffusion Flames. III. Effect of Additions of Oxygen to Ethylene and Ethane Respectively as Fuels”, Comb. Flame, Vol. 12, 1968, pp. 469–476.
4. J. B. Howard, “On the Mechanism of Carbon Formation in Flames,” Twelfth Symposium (International) on Combustion, The Combustion Institute, Pittsburgh, 1969, pp. 877–887.
5. SAE Paper;T Durrani,1968