@misc{fischer_the_choise_1990, 
author={Fischer, J.,Doerffer, R.},
title={The choise of spectral channels for the detection of gelbstoff from space},
year={1990},
howpublished = {conference lecture: Venice (I); 21.-25.05.1990},
note = {Online available at: \url{} (DOI). Fischer, J.; Doerffer, R.: The choise of spectral channels for the detection of gelbstoff from space. International Conference Oceanography from Space. Venice (I), 1990.}}