@misc{schwenke_applications_of_1999, 
author={Schwenke, H.,Beaven, P.,Knoth, J.},
title={Applications of Total Reflection X-ray Fluorescence Spectrometry in Trace Element and Surface Analysis},
year={1999},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Schwenke, H.; Beaven, P.; Knoth, J.: Applications of Total Reflection X-ray Fluorescence Spectrometry in Trace Element and Surface Analysis. Fresenius Journal of Analytical Chemistry. 1999. vol. 365, 19-27.}}