Valorisation of waste heat in existing and future district heating systemsPakere, Ieva; Blumberga, Dagnija; Volkova, Anna; Lepiksaar, Kertu; Zirne, AgateEnergies2023 / art. 6796 https://doi.org/10.3390/en16196796 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS