• The effect of the district heating return temperature reduction on flue gas condenser efficiencyLepiksaar, Kertu; Volkova, Anna; Rušeljuk, Pavel; Siirde, AndresEnvironmental and Climate Technologies2020 / p. 23−38 https://doi.org/10.2478/rtuect-2020-0083 https://www.scopus.com/sourceid/21100232822 https://www.scopus.com/record/display.uri?eid=2-s2.0-85099089113&origin=inward&txGid=e5eb2736e3c3dc8e860268cfeb19ee6d https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENVIRON%20CLIM%20TECHNOL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000599594700003