@misc{fanger_a_study_1989, 
author={Fanger, H.-U.,Kolb, M.,Michaelis, W.,Mueller, A.,Schoenburg, M.},
title={A study on the transport of pollutants through the Hamburg Harbour},
year={1989},
howpublished = {book part,GKSS report},
note = {Online available at: \url{} (DOI). Fanger, H.; Kolb, M.; Michaelis, W.; Mueller, A.; Schoenburg, M.: A study on the transport of pollutants through the Hamburg Harbour. In: Der Hafen: eine oekologische Herausforderung. 1989. 120-125.}}