Single line railways : a handbook of management, engineering, and operation / prepared by a panel of experts under the editorship of O.S. Nock ; under the general supervision of the United Kingdom Railway Advisory Service for the Economic Commission for Asia and the Far East (a regional organisation of the United Nations Organisation).
Single line railways : a handbook of management, engineering, and operation / prepared by a panel of experts under the editorship of O.S. Nock ; under the general supervision of the United Kingdom Railway Advisory Service for the Economic Commission for Asia and the Far East (a regional organisation of the United Nations Organisation).