@misc{prange_trace_element_1992, 
author={Prange, A.,Schwenke, H.},
title={Trace element analysis using Total Reflection X-ray Flourescence Spectrometry},
year={1992},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Prange, A.; Schwenke, H.: Trace element analysis using Total Reflection X-ray Flourescence Spectrometry. Advances in X-Ray Analysis. 1992. no. 35, 899-923.}}