@misc{schwenke_analysis_of_1991, 
author={Schwenke, H.,Knoth, J.,Weisbrod, U.},
title={Analysis of particles on surfaces by total reflection X-ray fluorescence spectrometry},
year={1991},
howpublished = {book part},
note = {Online available at: \url{} (DOI). Schwenke, H.; Knoth, J.; Weisbrod, U.: Analysis of particles on surfaces by total reflection X-ray fluorescence spectrometry. In: Mittal, K. (Ed.): Particles on Surfaces. New York: Plenum. 1991. 131-141.}}