@misc{markert_use_of_1989, 
author={Markert, B.,Weckert, V.},
title={Use of Polytrichum formosum (moss) as a passive biomonitor for heavy metal pollution: Cd, Cu, Pb and Zn},
year={1989},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Markert, B.; Weckert, V.: Use of Polytrichum formosum (moss) as a passive biomonitor for heavy metal pollution: Cd, Cu, Pb and Zn. Science of the Total Environment. 1989. vol. 86, 289-294.}}