TY - JOUR A1 - Rapp, M. A1 - Lübken, F.-J. T1 - Polar mesosphere summer echoes (PMSE): Review of observations and current understanding JO - Atmos. Chem. Phys. J1 - ACP VL - 4 IS - 11/12 SP - 2601 EP - 2633 Y1 - 2004/12/21 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/4/2601/2004/ L1 - http://www.atmos-chem-phys.net/4/2601/2004/acp-4-2601-2004.pdf DO - 10.5194/acp-4-2601-2004 ER -