1. Patterns of energy consumption in the United States 1972
2. Hemsath K. H. paper presented at the American Flame Research Committee meeting at the Massachusetts Institute of Technology Cambridge 4 June (1973).
3. Hollander F. paper presented at the annual convention of the Association of Iron and Steel Engineers Chicago (1971).
4. New Energy Technology: Some Facts and Assessments 1971
5. Nesbitt J. D. paper presented at the East Ohio Gas Company Seminar on Fuel Conservation in the Steel Industry 20 April (1972).