@misc{knoth_variable_xray_1997, 
author={Knoth, J.,Prange, A.,Schneider, H.,Schwenke, H.},
title={Variable X-ray excitation for total reflection X-ray fluorescence spectroscopy using an Mo/W alloy anode and a tunable double multilayer monochromator},
year={1997},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Knoth, J.; Prange, A.; Schneider, H.; Schwenke, H.: Variable X-ray excitation for total reflection X-ray fluorescence spectroscopy using an Mo/W alloy anode and a tunable double multilayer monochromator. Spectrochimica Acta  B. 1997. vol. 52, 907-913.}}