Sustainable groundwater resource management in the Estonian oil shale depositSokman, Kalmer; Väli, Erik; Iskül, Riho; Erg, Katrin; Pastarus, Jüri-Rivaldo; Lind, Helena15th Meeting of the Association of European Geological Societies "Georesources and public policy : research, management, environment" : 16-20 September 2007, Tallinn, Estonia : abstracts2007 / p. 67 https://www.ester.ee/record=b2291667*est