References
- See Report and Annexes of Transport Committee of the 8th Plan. p. 217: Scenario of shortage of petroleum products. Documentation Française—1980. Hereafter designated SPPP.
- P. Merlin How to save energy in transport, Documentation Française—1976. Hereafter designated CEET.
- Frybourg , A. Les consommations unitaires d'énergie dans les transports Paris Documentation Française—1980.
- 1981 . International Symposium on Surface Transportation Systems . May 1981 , Washington, D.C.. pp. 42