@misc{levkov_effect_of_1996, 
author={Levkov, L., Rockel, B.},
title={Effect of Radiation on the Cirrus and Stratus Cloud Structure},
year={1996},
howpublished = {conference lecture: Den Haag (NL);},
note = {Levkov, L.; Rockel, B.: Effect of Radiation on the Cirrus and Stratus Cloud Structure. XXI General Assembly of the European Geophysical Society. Den Haag (NL), 1996.}}