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 intrusion of glacial melt-water and its influence on the geochemical evolution of groundwater in the Ordovician-Cambrian aquifer system in the northern part of the Baltic Artesian Basin (Estonia) [Online resource]Pärn, Joonas; Raidla, Valle; Vaikmäe, Rein; Martma, Tõnu; Ivask, Jüri; Kaup, Enn; Mokrik, RobertInternational Symposium on Isotope Hydrology : Revisiting Foundations and Exploring Frontiers : 11-15 May 2015, Vienna, Austria : book of extended synopses : poster session 12015 / p. 39-40

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