1. An Analysis of Federal Incentives to Stimulate Energy Production;Cone,1980
2. The Hidden Costs of Energy: How Taxpayers Subsidize Energy Development;Heede,1985
3. Renewable energy tax incentives: status, evaluation attempts, continuing issues;Sawyer,1985
4. Residential energy credit, 1978–1980;Thompson;SDI Bulletin,1982
5. Renewable Energy Profile 1975–1984;US Department of Energy,1985