@Article{acp-4-2601-2004, AUTHOR = {Rapp, M. and Lübken, F.-J.}, TITLE = {Polar mesosphere summer echoes (PMSE): Review of observations and current understanding}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {4}, YEAR = {2004}, NUMBER = {11/12}, PAGES = {2601--2633}, URL = {http://www.atmos-chem-phys.net/4/2601/2004/}, ISSN = {1680-7316} }