@misc{rockel_a_case_1994, 
author={Rockel, B.,Levkov, L.},
title={A case study of the radiative processes and microphysics of cirrus and stratus clouds},
year={1994},
howpublished = {conference lecture: London (GB); July 18-22, 1994},
note = {Online available at: \url{} (DOI). Rockel, B.; Levkov, L.: A case study of the radiative processes and microphysics of cirrus and stratus clouds. European Conference on the Global Energy and Water Cycle. London (GB), 1994.}}