53943. Efficiency in the choice and application of locomotives / by F.Q. den Hollander. - [London] : [s.n.], [1953]. 16p. , [8] p. ill.: 21 cm. - PK : NS DK 177

53943. Efficiency in the choice and application of locomotives / by F.Q. den Hollander. - [London] : [s.n.], [1953]. 16p. , [8] p. ill.: 21 cm. - PK : NS DK 177