@misc{boumans_totalreflection_xray_1993, 
author={Boumans, P., Prange, A.},
title={Total-Reflection X-Ray Flourescence Spectrometry: Proceedings of the Fourth Workshop on Total-Reflection X-Ray Flourescence (TXRF); May 12-15, 1992 in Geesthacht},
year={1993},
howpublished = {conference lecture: ;},
note = {Boumans, P.; Prange, A.: Total-Reflection X-Ray Flourescence Spectrometry: Proceedings of the Fourth Workshop on Total-Reflection X-Ray Flourescence (TXRF); May 12-15, 1992 in Geesthacht. Spectrochimica Acta (Special Issue). 1993.}}