@misc{donovan_use_of_2004, 
author={Donovan, D., Quante, M., Schlimme, I., Macke, A.},
title={Use of equivalent spheres to model the relation between radar reflectivity and optical extinction of ice cloud particles},
year={2004},
howpublished = {journal article},
note = {Donovan, D.; Quante, M.; Schlimme, I.; Macke, A.: Use of equivalent spheres to model the relation between radar reflectivity and optical extinction of ice cloud particles. Applied Optics. 2004. vol. 43, no. 25, 4929-4940.}}