@misc{johnsen_comparisom_of_2004, 
author={Johnsen, K.-P.,Miao, J.,Kidder, S.Q.},
title={Comparisom of atmospheric water vapor over Antarctica derived from CHAMP/GPS and AMSU-B data},
year={2004},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Johnsen, K.; Miao, J.; Kidder, S.: Comparisom of atmospheric water vapor over Antarctica derived from CHAMP/GPS and AMSU-B data. Physics and Chemistry of the Earth. 2004. vol. 29, no. 2-3, 251-255.}}