@misc{prange_trace_and_1993, 
author={Prange, A., Reus, U.},
title={Trace- and microchemical applications of TXRF},
year={1993},
howpublished = {conference lecture (invited): Denver, CO (USA);},
note = {Prange, A.; Reus, U.: Trace- and microchemical applications of TXRF. TXRF-Session: 39th Annual Denver Conference on Applications of X-ray Ananlysis. Denver, CO (USA), 1993.}}