Third International Symposium on Theory and Practice in Transport Economics. Troisième Symposium International sur la Théorie et la Pratique dans l'Économie des Transports, Rome, 23-26 Septembre, 1969 European Conference of Ministers of Transport
International Symposium on Theory and Practice in Transport Economics3rd1969Rome.
Organisation for Economic Co-operation and Development.
Paris O.E.C.D. London H.M.S.O.
[1971]
Includes contributions in English, French and German
bibl
Transportation