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 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS