VOUTCHKOVA, Denitza D; THOMSEN, Charlotte T; CLAES, Niels; OLSEN, Lars A; THORLING, Lærke; PJETURSSON, Bjarni; HANSEN, Birgitte. Open access nationwide data sets for drinking water hardness at public waterworks and their water supply areas in Denmark. GEUS Bulletin, Copenhagen, Denmark, v. 57, 2024. DOI: 10.34194/geusb.v57.8374. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/8374. Acesso em: 8 feb. 2026.