@misc{markert_interelement_correlations_1988, 
author={Markert, B.},
title={Interelement correlations in different reference materials},
year={1988},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Markert, B.: Interelement correlations in different reference materials. Fresenius Journal of Analytical Chemistry. 1988. vol. 332, 630-635.}}