Bibliography

• 1979 . Annual Bulletin of Transport Statistics for Europe, 1978 , New York : United Nations .
   Google Scholar
• Bayliss , D. 1981 . Urban transportation and the environment . IRF World Meeting . 1981 , Stockholm.
   Google Scholar
• 1979 . Facing the Future: Mastering the Probable and Managing the Unpredictable. , OECD Interfutures Report
   Google Scholar
• Hammarskjold , K. 1980 . “ The state of the air transport industry ” . In Annual Report , International Air Transport Association .
   Google Scholar
• Kain , J. A. 1981 . The impact of higher crude oil prices on future vehicle ownership . IRF World Meeting . 1981 , Stockholm.
   Google Scholar
• Lesourne , J. 1979 . Long‐term trends in the world economy and developments in the transport field . 8th ECMT Symposium . 1979 , Istanbul.
   Google Scholar
• 1981 . Maritime Transport, 1980 (and earlier years) , OECD .
   Google Scholar
• Patterns of Urban and Rural Population Growth. UN Population Studies No. 68, 1980.
   Google Scholar
• 1980 . Principaux Resultats Statistiques , Paris : Union Internationale des Chemins de Fer .
   Google Scholar
• Silverleaf , A. 1973 . Overall trends in the development of transport: 1980–1990 . 4th World Airports Conference . 1973 . (Also TRRL Supplementary Report 25.)
   Google Scholar
• 1982 . Statistical Tables, 1981. , London : Lloyd's Register of Shipping .
   Google Scholar
• 1980 . Transport Statistics Great Britain, 1969–1979. , HMSO .
   Google Scholar
• Tulpule , A. H. 1974 . An Analysis of Some World Transport Statistics. , TRRL Laboratory Report 622
   Google Scholar
• United Nations Statistical Yearbook 1979/80 (and earlier years.)
   Google Scholar
• World Bank Atlas, 1980.
   Google Scholar
• 1981 . World Population Prospects as Assessed in 1980 , UN Population Studies No. 78
   Google Scholar
• 1980 . World Road Statistics, 1975–1979. , Washington, DC : International Road Federation .
   Google Scholar