Heat loss characteristics of typology-based apartment building external walls for a digital twin-based renovation strategy toolIliste, Elisa; Lomp, Siim; Pikas, Ergo; Arumägi, Endrik; Hallik, Jaanus; Õiger, Karl; Kisel, Einari; Liiv, Innar; Kalamees, TargoJournal of Physics: Conference Series2023 / 8 p https://doi.org/10.1088/1742-6596/2654/1/012125 Conference proceedings at Scopus Article at Scopus