1. Amer. Petroleum Institute: Selected values of properties of hydrocarbons, Research Project 44. N.B.S. Washington D.C. 1952 sq.
2. Amer. Petroleum Institute: Selected values of properties of hydrocarbons, Research Project 44. Carnegie Institute of Technology, Pittsburgh. Pennsylvania 1952 sq.
3. Bak, B., and L. Hansen-Nygaard: J. chem. Physics 33, 418 (1960).
4. Chung, A. L. H., and M. J. S. Dewar: J. chem. Physics 42, 756 (1965).
5. Coulson, C. A.: Victor Henri Memorial Volume 15. Liège: Desoer 1948.