1. ‘Cross country comparison on energy efficiency indicators. Part I: methodology, final report’ October, 1995, ‘Part II: results, issues and problems, final report’ June 1996;Ademe,1995
2. Energy R&D options for a sustainable future (phase 1–4);Blok,1996
3. Commercial buildings characteristics 1992;EIA,1994
4. Commercial buildings energy consumption and expenditures 1992;EIA,1995