Commission of the European Communities. Directorate-General for Science, Research, and Development, Hoyaux, G., .Ehringer, H., & Pilavachi, P. A. (1983). Energy conservation in transport: New engines and flywheels : proceedings of the contractors' meetings held in Brussels on 21 and 28 October 1982. D. Reidel ; Sold and distributed in the U.S.A and Canada by Kluwer Boston.

Commission of the European Communities. Directorate-General for Science, Research, and Development, G. Hoyaux, H. .Ehringer, juo P. A. Pilavachi. Energy Conservation in Transport: New Engines and Flywheels : Proceedings of the Contractors' Meetings Held in Brussels on 21 and 28 October 1982. Dordrecht, Holland ; Boston, U.S.A. : Hingham, MA: D. Reidel ; Sold and distributed in the U.S.A and Canada by Kluwer Boston, 1983.

Commission of the European Communities. Directorate-General for Science, Research, and Development, et al. Energy Conservation in Transport: New Engines and Flywheels : Proceedings of the Contractors' Meetings Held in Brussels on 21 and 28 October 1982. D. Reidel ; Sold and distributed in the U.S.A and Canada by Kluwer Boston, 1983.