@misc{markert_fluctuations_of_1989, 
author={Markert, B.,Weckert, V.},
title={Fluctuations of element concentrations during the growing season of Polytrichum formosum (Hedw.)},
year={1989},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Markert, B.; Weckert, V.: Fluctuations of element concentrations during the growing season of Polytrichum formosum (Hedw.). Water, Air, and Soil Pollution. 1989. vol. 43, 177-189.}}