Freight transport : introductory report by: Permanent International Association of Road Congresses. Technical Committee on Surface Characteristics, et al. Published: (1999)
Environment : introductory report by: Permanent International Association of Road Congresses. Technical Committee on Surface Characteristics, et al. Published: (1999)
Road tunnels : introductory report by: Permanent International Association of Road Congresses. Technical Committee on Surface Characteristics, et al. Published: (1999)
Road management : introductory report by: Permanent International Association of Road Congresses. Technical Committee on Surface Characteristics, et al. Published: (1999)