@misc{johnsen_validation_of_2001, author={Johnsen, K.-P.,Rockel, B.}, title={Validation of the NWP model HRM with groundbased GPS data}, year={2001}, howpublished = {journal article}, note = {Online available at: \url{} (DOI). Johnsen, K.; Rockel, B.: Validation of the NWP model HRM with groundbased GPS data. Physics and Chemistry of the Earth A. 2001. vol. 26, no. 6 - 8, 463-466.}}