@misc{brockmann_the_use_1991, 
author={Brockmann, C.,Grassl, H.},
title={The use of thematic mapper on Landsat 5 as an instrument for measuring ocean turbidity},
year={1991},
howpublished = {report},
note = {Online available at: \url{} (DOI). Brockmann, C.; Grassl, H.: The use of thematic mapper on Landsat 5 as an instrument for measuring ocean turbidity. 1991.}}