@misc{prange_total_reflection_1989, 
author={Prange, A.},
title={Total reflection X-ray spectrometry: method and applications},
year={1989},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Prange, A.: Total reflection X-ray spectrometry: method and applications. Spectrochimica Acta  B. 1989. vol. 44, no. 5, 437-452.}}