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- [3] REGIONAL CONVERSION TO COAL, FINAL REPORT, 1980. Institution of Mechanical Engineers, Conference Publications, 1980,
- [8] Data Processing and Information - Collection of Conferences from Data Processing Convention 1980. ASTM Special Technical Publication, 1980,
- [9] INJURY EXPERIENCE IN NONMETALLIC MINERAL MINING (EXCEPT STONE AND COAL), 1980. Informational Report - U.S. Department of Labor, Mine Safety and Health Administration, 1981,
- [10] FREEDOM OF INFORMATION IN 1980. Medical Device and Diagnostic Industry, 1980, 2 (10): : 41 - 45