Energy storage, compression, and switching : [proceedings of the International Conference on Energy Storage, Compression, and Switching held in Asti-Torino, Italy, November 5-7, 1974] - Bostick, W. H. (Winston Harper), 1916-; Nardi, V., 1930-; Zucker, O. S. F., 1939- (Plenum Press, 1976)