Stone by stone for sustainable building in existing structures; [Stein um Stein zum nachhaltigen Bauen im Bestand]. gis.Business | issn : 1869-9286 [Internet]. 2021 Jan. 1 [cited 2026 Nov. 8];22(1):8-12. Available from: https://journal-gis.business/index.php/gisb/article/view/611