@misc{brockmann_multispectral_and_1991, 
author={Brockmann, C.},
title={Multispectral and multisensor satellite data analysis of the North Sea},
year={1991},
howpublished = {journal article},
note = {Brockmann, C.: Multispectral and multisensor satellite data analysis of the North Sea. Annales Geophysicae. 1991. vol. 9, C 173.}}