@unpublished{TUW-262018, author = {Winkler, A. and Rauwolf, Mirjam and Turyanskaya, A. and Sterba, Johannes H. and Streli, Christina}, title = {Trace elements analysis in tea and herbal infusions by means of TXRF}, year = {2017}, note = {poster presentation: 17th International Conference on Total Reflection X-Ray Fluorescence Analysis and Related Methods (TXRF2017), Brescia, Italy; 2017-09-19 -- 2017-09-22} }