1. WBCSD (2016) The business case for the use of life cycle metrics in construction and real estate, World Business Council for Sustainable Development, Geneva, Switzerland
2. Balouktsi M, Lützkendorf T (2016) Energy efficiency of buildings: the aspect of embodied energy. Energ Technol 4:31–43
3. European Commission (2014) Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions on resource efficiency opportunities in the building sector, The European Commission, COM (2014) 445 final
4. Lützkendorf T, Balouktsi M, Frischknecht R (2016) Evaluation of embodied energy and CO2eq for building construction (Annex 57), Subtask 1: Basics, Actors and Concepts, Institute for Building Environment and Energy Conservation, Tokyo, Japan
5. EBC Annex 31 Energy Related Environmental Impact of Buildings, Link:
http://www.iea-ebc.org/projects/completed-projects/ebc-annex-31/
Last accessed day: 20 Oct 2017