TY - BOOK AU - Witsen,M.van ED - European Conference of Ministers of Transport. TI - Scope for the use of certain old-established urban transport techniques: trams and trolleybuses : report of the thirty-eighth Round Table on Transport Economics held in Paris on 24th-25th March, 1977 SN - 928211046X PY - 1978/// CY - Paris PB - European Conference of Ministers of Transport KW - Urban transportation KW - Congresses KW - Street-railroads KW - Bus lines N1 - At head of title: Economic Research Centre ER -