@misc{levkov_test_of_1989, 
author={Levkov, L.,Jacob, D.,Eppel, D. P.,Grassl, H.},
title={Test of a parameterization scheme for cloud microphysical processes in a 3-d mesoscale model},
year={1989},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Levkov, L.; Jacob, D.; Eppel, D.; Grassl, H.: Test of a parameterization scheme for cloud microphysical processes in a 3-d mesoscale model. Atmospheric Research. 1989. vol. 24, 193-208.}}