@unpublished{TUW-258684, author = {Winkler, A. and Rauwolf, Mirjam and Turyanskaya, A. and Sterba, Johannes H. and Streli, Christina}, title = {Total X-ray reflection fluorescence spectrometry of black tea and herbal infusions}, year = {2017}, note = {poster presentation: 26th Seminar Activation Analysis and Gamma Spectroscopy (SAAGAS 26), Vienna, Austria; 2017-02-20 -- 2017-02-22} }