@misc{gerler_instrumental_neutron_1991, 
author={Gerler, J.,Peucker-Ehrenbrink, B.},
title={Instrumental neutron activation analysis of UNS-SpS glass sand reference material},
year={1991},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Gerler, J.; Peucker-Ehrenbrink, B.: Instrumental neutron activation analysis of UNS-SpS glass sand reference material. Journal of Radioanalytical and Nuclear Chemistry. 1991. vol. 155, no. 1, 55-63.}}