Simulation of 18O concentration in the Estonian Artesian BasinVallner, Leo; Ivask, Jüri; Marandi, Andres; Vaikmäe, Rein4th Annual Meeting of G@GPS IGCP 618 Project "Palaeogroundwater from past and present glaciated areas" : Estonia, 5-9 July 2015 : abstracts and field guide2015 / p. 32-34 : ill