Vujević, M. and Posavec, K. 2018. Identification of groundwater level decline in Zagreb and Samobor-Zaprešić aquifers since the sixties of the twentieth century. Rudarsko-geološko-naftni zbornik. 33, 4 (Jun. 2018). DOI:https://doi.org/10.17794/rgn.2018.4.5.