@misc{rockel_radiation_and_1992, 
author={Rockel, B.,Levkov, L.,Raschke, E.,Stuhlmann, R.},
title={Radiation and clouds in general circulation models},
year={1992},
howpublished = {report},
note = {Online available at: \url{} (DOI). Rockel, B.; Levkov, L.; Raschke, E.; Stuhlmann, R.: Radiation and clouds in general circulation models. 1992.}}