@misc{prange_analysis_by_1999, 
author={Prange, A.,Schirmacher, M.},
title={Analysis by total-reflection X-ray fluorescence spectrometry (TXRF)},
year={1999},
howpublished = {book part,GKSS report},
note = {Online available at: \url{} (DOI). Prange, A.; Schirmacher, M.: Analysis by total-reflection X-ray fluorescence spectrometry (TXRF). In: Grasshoff, K.; Kremling, K.; Ehrhardt, M. (Ed.): Methods of seawater analysis. Weinheim: VCH. 1999. 320-340.}}