@article{markert_aspects_of_1992, 
author={Markert, B.},
title={Aspects of cleaning environmental material for multielement analysis: F. e. plant samples},
year={1992},
journal = {Fresenius Journal of Analytical Chemistry},
volume = {342},
pages = {409-412},
note = {Markert, B.: Aspects of cleaning environmental material for multielement analysis: F. e. plant samples. In: Fresenius Journal of Analytical Chemistry. Vol. 342 (1992)  409-412.}}