1. Åberg, M., 2006. Personal communication. SEA (Swedish Energy Agency), Eskilstuna.
2. Information programs for technology adoption: the case of energy-efficiency audits;Anderson;Resource and Energy Economics,2004
3. Commercial Building Energy Auditing,2004
4. Bach, P., 2001. An energy-efficiency policy—problems, barriers and possibilities. In: Proceedings of the 2001 ECEEE summer study “Further than ever from Kyoto? Rethinking energy efficiency can get us there”, vol. 1. European Council for an Energy-Efficient Economy, pp. 82–90.
5. Bertoldi, P., Rezessy, S., Bürer, M.J., 2005. Will emission trading promote end-use energy efficiency and renewable energy projects? In: Proceedings of the 2005 ACEEE summer study on energy efficiency in industry “Cutting High Costs of Energy”, vol. 4. American Council for an Energy-Efficient Economy, pp. 1–12.