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. Discuss. J1 - ACPD VL - 4 IS - 4 SP - 4777 EP - 4876 Y1 - 2004/08/24 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/4/4777/2004/ L1 - http://www.atmos-chem-phys-discuss.net/4/4777/2004/acpd-4-4777-2004.pdf ER -