Reduction of oil shale lossesValgma, Ingo; Väizene, Vivika; Kolats, Margit; Karu, Veiko; Pastarus, Jüri-Rivaldo; Rahe, Tiit; Iskül, RihoEnvironment. Technology. Resources : proceedings of the 9th International Scientific and Practical Conference. Volume 12013 / p. 201-205 : ill Technologies for decreasing mining lossesValgma, Ingo; Väizene, Vivika; Kolats, Margit; Saarnak, MartinScientific journal of Riga Technical University. Environmental and climate technologies2013 / p. 41-47 : ill Temporal trends in nitrogen concentrations and losses from agricultural catchments in the Nordic and Baltic countriesStalnacke, Per; Aakeroy, Paul Andreas; Iital, ArvoAgriculture, ecosystems and environment2014 / p. 94-103 : ill Temporal trends in phosphorus concentrations and losses from agricultural catchments in the Nordic and Baltic countriesPengerud, Annelene; Stalnacke, Per; Iital, ArvoActa agriculturae Scandinavica. Section B, Soil and plant science2015 / p. 173-185 : ill http://dx.doi.org/10.1080/09064710.2014.993690