@misc{knoth_tunable_exciting_1994, 
author={Knoth, J.,Schneider, H.,Schwenke, H.},
title={Tunable exciting energies for total reflection X-ray flourescence spectrometry using a tungsten anode and bandpass filtering},
year={1994},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Knoth, J.; Schneider, H.; Schwenke, H.: Tunable exciting energies for total reflection X-ray flourescence spectrometry using a tungsten anode and bandpass filtering. X-Ray Spectrometry. 1994. vol. 23, no. 6, 261-266.}}