@misc{markert_die_kvitamine_1990, 
author={Markert, B.,Kies, T.},
title={Die K-Vitamine: ernaehrungsphysiologische Exoten},
year={1990},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Markert, B.; Kies, T.: Die K-Vitamine: ernaehrungsphysiologische Exoten. Praxis der Naturwissenschaften: Biologie. 1990. vol. 39, 26-28.}}