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• A 18O isoscape for the shallow groundwater in the Baltic Artesian Basin [Online resource]Raidla, Valle; Kern, Zoltan; Babre, Alise; Erg, Katrin; Ivask, Jüri; Kohan, Balazs; Martma, Tõnu; Mokrik, Robert; Pärn, Joonas; Vaikmäe, Rein43rd IAH Congress : Groundwater and Society : 60 years of IAH : September 25-29th 2016, Montpellier, France2016 / p. [70], abstract no 1430 https://www.cfh-aih.fr/images/DOCS/2-Colloques/Colloque_2016_Montpellier/Site_web/IAH2016_AbstractBOOK.pdf
• The recharge of glacial meltwater and its influence on the geochemical evolution of groundwater in the Ordovician-Cambrian aquifer system, northern part of the Baltic Artesian BasinPärn, Joonas; Raidla, Valle; Vaikmäe, Rein; Martma, Tõnu; Ivask, Jüri; Mokrik, Robert; Erg, KatrinApplied geochemistry2016 / p. 125-135 : ill https://doi.org/10.1016/j.apgeochem.2016.07.007 https://www.scopus.com/sourceid/24615 https://www.scopus.com/record/display.uri?eid=2-s2.0-84979738941&origin=inward&txGid=dd981a5bc963ce250a231dd6e5b4b4f3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=APPL%20GEOCHEM&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000383521900012