@misc{schwenke_current_work_1990, 
author={Schwenke, H., Knoth, J., Weisbrod, U.},
title={Current work on total reflection X-ray fluorescence spectrometry at the GKSS Research Centre},
year={1990},
howpublished = {conference lecture: Antwerp (B);},
note = {Schwenke, H.; Knoth, J.; Weisbrod, U.: Current work on total reflection X-ray fluorescence spectrometry at the GKSS Research Centre. European EDXRF Workshop. Antwerp (B), 1990.}}