TY - JOUR A1 - Heinrich, D. A1 - Nesse, H. A1 - Blum, U. A1 - Acott, P. A1 - Williams, B. A1 - Hoppe, U.-P. T1 - Summer sudden Na number density enhancements measured with the ALOMAR Weber Na Lidar JO - Ann. Geophys. J1 - ANGEO VL - 26 IS - 5 SP - 1057 EP - 1069 Y1 - 2008/05/28 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/26/1057/2008/ L1 - https://angeo.copernicus.org/articles/26/1057/2008/angeo-26-1057-2008.pdf DO - 10.5194/angeo-26-1057-2008 ER -