• 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
• A δ18O isoscape for the shallow groundwater in the Baltic Artesian BasinRaidla, Valle; Kern, Zoltan; Pärn, Joonas; Ivask, Jüri; Martma, Tõnu; Vaikmäe, ReinJournal of hydrology2016 / p. 254-267 : ill https://doi.org/10.1016/j.jhydrol.2016.09.004 https://www.scopus.com/sourceid/50089 https://www.scopus.com/record/display.uri?eid=2-s2.0-84994607273&origin=inward&txGid=eb187aa9f5dc48b7ffd9881e8c0ffda0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20HYDROL&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000388248400018