TY - BOOK AU - Symposium on Roads and the Urban Environment (Madrid) (1974) ED - Symposium on Roads and the Urban Environment (Madrid) (1974) TI - Proceedings : Roads and urban environment T2 - Organisation for Economic Cooperation and Development, Road Research U1 - X411:89k33p1(X),N74, L5 PY - 1975/// CY - Paris PB - OECD KW - Road Transport Economics ER -