@misc{puls_a_settling_1996, 
author={Puls, W.,Kuehl, H.},
title={A settling tube for measuring suspended matter settling velocities in the German Bight},
year={1996},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Puls, W.; Kuehl, H.: A settling tube for measuring suspended matter settling velocities in the German Bight. Archiv fuer Hydrobiologie. 1996. vol. 47, 381-388.}}