@misc{warrach_treatment_of_2001, 
author={Warrach, K.,Mengelkamp, H.-T.,Raschke, E.},
title={Treatment of frozen soil and snow cover in the land surface model SEWAB},
year={2001},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Warrach, K.; Mengelkamp, H.; Raschke, E.: Treatment of frozen soil and snow cover in the land surface model SEWAB. Theoretical and Applied Climatology. 2001. vol. 69, 23-37.}}