@misc{grabemann_studies_on_1991, 
author={Grabemann, I., Kunze, B., Mueller, A.},
title={Studies on transport times and water quality situation in the Weser Estuary},
year={1991},
howpublished = {conference poster: Wien (A);},
note = {Grabemann, I.; Kunze, B.; Mueller, A.: Studies on transport times and water quality situation in the Weser Estuary. In: XX General Assembly of the International Union on Geodesy and Geophysics and International Association for the Physical Sciences of the Ocean (IUGG). Wien (A). 1991.}}