@misc{markert_the_biological_1994, 
author={Markert, B.},
title={The Biological System of the Elements (BSE) for terrestrial plants (glycophytes)},
year={1994},
howpublished = {journal article},
note = {Markert, B.: The Biological System of the Elements (BSE) for terrestrial plants (glycophytes). Science of the Total Environment. 1994. vol. 155, 221-228.}}