1. Energy R&D and Energy Savings;Breger,1997
2. Personal communication;Carroll,1996
3. 1991 Annual Survey of Manufacturers (M91(AS)-1),1992
4. Analysis of Energy-Efficiency Investment Decisions by Small and Medium-Sized Manufacturers DOE/PO-0043,1996
5. Eisenhauer, J (1996) Corporate R&D in Transition: Changing Patterns of Private Sector Investment in Research and Development Energetics, Columbia, MD