1. Resources, Environment and Economics;Ayres,1978
2. Growth, risk and technological choice;Ayres;Technology in Society,1980
3. Large-scale long-range societal models;Ayres;J. Technological Forecasting and Social Change,1984
4. Railroading the cities;Berryhill;Harper's,1983
5. Statement before Joint Economic Committee;Eads,1983