@unpublished{TUW-239914, author = {Rothm{\"u}ller, Marion and Bartsch, Annett and Kasper-Giebl, Anne and Sch{\"o}ner, Wolfgang and Schreiner, Elisabeth and Winiwarter, Wilfried}, title = {Temporal trends of the ionic composition in the wintertime snow cover of two high alpine sampling sites over three decades (1983-2014)}, year = {2015}, note = {talk: 26th IUGG General Assembly 2015, Prag; 2015-06-22 -- 2015-07-02} }