Energy conservation in transport : new engines and flywheels : proceedings of the contractors' meetings held in Brussels on 21 and 28 October 1982 - Hoyaux, G.; .Ehringer, H.; Pilavachi, P. A. (Petros A.), 1944- (D. Reidel ; Sold and distributed in the U.S.A and Canada by Kluwer Boston, 1983)