@Article{acpd-6-9033-2006, AUTHOR = {Li, Q. and Graf, H.-F. and Giorgetta, M. A.}, TITLE = {Stationary planetary wave propagation in Northern Hemisphere winter – climatological analysis of the refractive index}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {6}, YEAR = {2006}, NUMBER = {5}, PAGES = {9033--9067}, URL = {http://www.atmos-chem-phys-discuss.net/6/9033/2006/}, ISSN = {1680-7367} }