Determination of water-soluble elements in PM2.5, PM10, and PM2.5-10 collected in the surroundings of power plantsElwira Zajusz-Zubek, Anna Mainka and Konrad KaczmarekE3S Web of Conferences, 28 (2018) 01042DOI: https://doi.org/10.1051/e3sconf/20182801042