TY - BOOK ED - FederaciĆ³n Internacional de Carreteras TI - A report covering an international survey of current research and development on roads and road transport AV - TE1 F42 1977 PY - 1977/// CY - Washington, D.C. PB - IRF KW - Carreteras KW - Transporte motorizado N1 - Titulo de la cubierta: 1977 world survey of current research and development on roads and road transport ER -