1. Energy efficiency trends and policies in the household and tertiary sectors. An analysis based on the ODYSSEE and MURE databases;Gynther,2015
2. EU handbook - district heating markets;AEBIOM,2012
3. Solar heat worldwide - global market development and trends in 2016;Weiss,2017
4. SDHtake-off - solar district heating in Europe;SDHtake-off,2012
5. Solar District Heating (SDH): technologies used in large scale SDH plants in Graz – operational experiences and further developments;Schubert,2010