1. Cassady, M.J.: Tenth Plastic Fuel Gas Symposium. AGA, Washington DC (1987)
2. Stephens, D.R., Leis, B.N., Francini, R.R., Cassady, M.J.: Topical Report GRI 92-0147.1. www.gri.org (1992)
3. Stephens, D.R., Leis, B.N., Francini, R.R., Cassady, M.J.: Topical Report GRI 92-0147.2 (1992)
4. Pimputkar, S.M., Stets, J.A.: GRI 94-0205 (1994)
5. Lu, X., Brown, N.: The ductile–brittle transition in polyethylene co-polymer. J. Mater. Sci. 25, 29–34 (1990)