@misc{doerffer_how_to_1990, 
author={Doerffer, R.},
title={How to derive concentrations of chlorophyll, suspended matter and gelbstoff from multispectral radiances of case II water},
year={1990},
howpublished = {conference paper,conference lecture: Kopenhagen (DK); October 4-10, 1990},
note = {Online available at: \url{} (DOI). Doerffer, R.: How to derive concentrations of chlorophyll, suspended matter and gelbstoff from multispectral radiances of case II water. In: ICES-Meeting; Theme Session P. Kopenhagen (DK). 1990. E:19.}}