1. See the articles by G.R. Conway and E.B. Barbier and by B. Glaeser in this issue.
2. Sustainable Industrial Development: Seven Case Studies;Carr,1988
3. the ‘Brundtland Report’;World Commission on Environment and Development,1987
4. The economics of the coming Spaceship Earth;Boulding,1966
5. Poverty and Progress;Wilkinson,1973