1. Sustainability Criteria;Daly;Ecol. Econ.,1992
2. For the common good: Redirecting the Economy towards Community, Environment and a Sustainable Future;Daly,1989
3. Annual Report;EPI, the Eco-Production Index,1993
4. Towards a sustainable future, en route with technology;Jansen,1992
5. The Self-organizing Universe;Jantsch,1980