1. The Economic Impact of Pollution Control 1972
2. Statistical Year Book of the Electrical Utility Industry for 1970 1970
3. U.S. Congress, Senate Committee on Interior and Insular Affairs, Summary Report of the Cornell Workshop on Energy and the Environment: 137 (1972).
4. Committee on U.S. Energy Outlook, U.S. Energy Outlook 2: 7 (1971).
5. Committee on U.S. Energy Outlook, U.S. Energy Outlook 2: 10 (1971).