proceedings of the Symposium on Roads and the Urban Environment held at the Ministry for Public Works in Madrid on 14th, 15th and 16th October 1974 text f Paris Organisation For Economic Co-Operation and Development 1975 monographic e

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189p. ill., port. 27cm Includes bibliographical references Automobiles Motors Exhaust gas Congresses Roads Environmental aspects Congresses Traffic noise Congresses TE153 9264113851 9812 20251012174548.0 0000016763