1. Alberti M (1994) La città insostenibile. In: Alberti M, Solera G, Tsetsi V (eds) La città sostenibile. F. Angeli, Milano, pp 15–62
2. Beckerman W (1993) The environmental limits to growth: a fresh look. In: Giersch H (ed) Economic progress and environmental concerns. Springer, Berlin, pp 3–23. (in Giersch)
3. Blowers A (ed) (1993) The time for change. Town and Country Planning Association, London, pp 1–18
4. Breheny M (ed) (1992a) Sustainable development and urban form. Pion, London
5. Breheny M (1992b) Sustainable development and urban form: an introduction. Pion, London, pp 1–23