1. Alvarez, Cristina (1991) 'Sulphur dioxide and suspended particulates: Spain', in Graham Bennett (ed.) Air Pollution Control in the European Community: Implementation of the EC Directives in the Twelve Member Stales, London: Graham & Trotman, pp. 60-5.
2. Arocena, Martin(1997) 'Common Market of the Southern Cone', in Ana Julia and Sidney Wientraub (eds) Integrating the Hemisphere: Perspectives from Latin America and the Caribbean, Washington, DC: Inter-American Dialogue, pp. 152-76.
3. Axline, Andrew W. (1994) 'Cross-regional comparisons and the theory of regional cooperation: lessons from Latin America, the Caribbean, South East Asia and the South Pacific', in Andrew Axline (ed.) The Political Economy of Regional Cooperation: Comparative Case Studies, Madison, Wis., and Teaneck, UK: Fairleigh Dickinson University Press.
4. Belassa, BeIa (1961) The Theory of Economic Integration, Homewood, Ill.: Richard D. Irwin.
5. Bennett, Graham (ed.) (1991) Air Pollution Control in the European Community: Implementation of the EC Directives in the Twelve Member Stales, London: Graham & Trotman.