Author
- Organisation for Economic Co-operation and Development
- European Conference of Ministers of Transport 2 results
- Commission of the European Communities 1 results
- Conde, Julien 1 results
- International Energy Agency 1 results
- OECD Group on Urban Affairs 1 results
- OECD International Conference on the Economic, Social and Environmental Problems of Cities 1 results
- World Bank 1 results
- Zachariah, K. C. (Kunniparampil Curien), 1924- 1 results