TY - JOUR A1 - Dalin, P. A1 - Kirkwood, S. A1 - Andersen, H. A1 - Hansen, O. A1 - Pertsev, N. A1 - Romejko, V. T1 - Comparison of long-term Moscow and Danish NLC observations: statistical results JO - Ann. Geophys. J1 - ANGEO VL - 24 IS - 11 SP - 2841 EP - 2849 Y1 - 2006/11/21 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/24/2841/2006/ L1 - https://angeo.copernicus.org/articles/24/2841/2006/angeo-24-2841-2006.pdf DO - 10.5194/angeo-24-2841-2006 ER -