@misc{reus_an_analysts_1993, 
author={Reus, U.,Prange, A.},
title={An analysts approach to total reflection XRF: Features and applications},
year={1993},
howpublished = {journal article,GKSS report},
note = {Online available at: \url{} (DOI). Reus, U.; Prange, A.: An analysts approach to total reflection XRF: Features and applications. Spectroscopy Europe. 1993. vol. 5, no. 1, 26-33.}}