338.312
I61W
 World survey of current research and development on roads and road transport a report covering an inventory of 56 countries
- Washington : IRF, 1983.
 xv, 862p.
  Prepared for the Federal highway administration under contract no. DTFH 61-81-c00023
114842
  Subjects: Transportation; Ecology; Soil science; Land use; Finance; Budget.