@misc{suendermann_a_numerical_1989, 
author={Suendermann, J.,Duwe, K.,Pfeiffer, K.,Luszcz, A. S.},
title={A numerical circulation model of Hamburg Port},
year={1989},
howpublished = {book part},
note = {Online available at: \url{} (DOI). Suendermann, J.; Duwe, K.; Pfeiffer, K.; Luszcz, A.: A numerical circulation model of Hamburg Port. In: Der Hafen: eine oekologische Herausforderung. 1989. 109-112.}}