TY - JOUR A1 - Brattli, A. A1 - Blix, T. A. A1 - Lie-Svendsen, Ø. A1 - Hoppe, U.-P. A1 - Lübken, F.-J. A1 - Rapp, M. A1 - Singer, W. A1 - Latteck, R. A1 - Friedrich, M. T1 - Rocket measurements of positive ions during polar mesosphere winter echo conditions JO - Atmos. Chem. Phys. J1 - ACP VL - 6 IS - 12 SP - 5515 EP - 5524 Y1 - 2006/12/07 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/6/5515/2006/ L1 - http://www.atmos-chem-phys.net/6/5515/2006/acp-6-5515-2006.pdf DO - 10.5194/acp-6-5515-2006 ER -