Mariina Hiiob. "NATURALLY IRON-RICH GROUNDWATER IN SOUTH-EASTERN ESTONIA: PROBLEM RELATED TO THE FULFILLING THE DRINKING WATER QUALITY REQUIREMENTS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on WATER RESOURCES. FOREST, MARINE AND OCEAN ECOSYSTEMS, 2014. https://doi.org/10.5593/sgem2014/b31/s12.063