High thallium concentrations in soils from sites of historical Ag, Pb, and Zn mining in western Małopolska (S Poland)M. W. Woch, A. M. Stefanowicz and P. KapustaE3S Web of Conferences, 1 (2013) 14004DOI: https://doi.org/10.1051/e3sconf/20130114004