81Kr dating of groundwater in the Baltic Artesian Basin on the one-million-year timescale [Online resource]Vaikmäe, Rein; Aeschbach-Hertig, Werner; Babre, Alise; Raidla, Valle43rd IAH Congress : Groundwater and Society : 60 years of IAH : September 25-29th 2016, Montpellier, France2016 / p. [442-443], abstract no 2032 https://www.cfh-aih.fr/images/DOCS/2-Colloques/Colloque_2016_Montpellier/Site_web/IAH2016_AbstractBOOK.pdf Using 81Kr and noble gases to characterize and date groundwater and brines in the Baltic Artesian Basin on the one-million-year timescaleGerber, Christoph; Vaikmäe, Rein; Aeschbach-Hertig, Werner; Babre, Alise; Raidla, ValleGeochimica et cosmochimica acta2017 / p. 187-210 : ill https://doi.org/10.1016/j.gca.2017.01.033