@misc{prange_extended_fields_1999, 
author={Prange, A.},
title={Extended Fields of Application using a new technical concept for TXRF including Analytical Quality Assurance},
year={1999},
howpublished = {conference lecture (invited): Steamboat Springs, CO (USA);},
note = {Prange, A.: Extended Fields of Application using a new technical concept for TXRF including Analytical Quality Assurance. 48th Annual Denver X-ray Conference. Steamboat Springs, CO (USA), 1999.}}