@misc{markert_sample_preparation_1994, 
author={Markert, B.},
title={Sample preparation (cleaning, drying, homogenization) for trace element analysis in plant matrices},
year={1994},
howpublished = {conference lecture: Brussels (B); 28.-31.05.1994},
note = {Online available at: \url{} (DOI). Markert, B.: Sample preparation (cleaning, drying, homogenization) for trace element analysis in plant matrices. Contribution to the Workshop on Trace Element Determinations in Plant Matrices. Brussels (B), 1994.}}