@misc{colijn_a_new_2002, 
author={Colijn, F.,Petersen, W.,Petschatnikov, M.,Schroeder, F.},
title={A New System for Automatic Measurements of Biological-Chemical Parameters from Ferry Boats},
year={2002},
howpublished = {conference lecture: Kopenhagen (DK); 01.-05.10.2002},
note = {Online available at: \url{} (DOI). Colijn, F.; Petersen, W.; Petschatnikov, M.; Schroeder, F.: A New System for Automatic Measurements of Biological-Chemical Parameters from Ferry Boats. ICES Annual Science Conference. Kopenhagen (DK), 2002.}}