@misc{hennings_ice_international_1990, 
author={Hennings, D.,Quante, M.,Sefzig, R.},
title={ICE International Cirrus Experiment: 1989 Field Phase Report},
year={1990},
howpublished = {report},
note = {Online available at: \url{} (DOI). Hennings, D.; Quante, M.; Sefzig, R.: ICE International Cirrus Experiment: 1989 Field Phase Report. 1990.}}