TY - JOUR A1 - Afraimovich, E. L. A1 - Astafyeva, E. I. A1 - Oinats, A. V. A1 - Yasukevich, Yu. V. A1 - Zhivetiev, I. V. T1 - Global electron content: a new conception to track solar activity JO - Ann. Geophys. J1 - ANGEO VL - 26 IS - 2 SP - 335 EP - 344 Y1 - 2008/02/26 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/26/335/2008/ L1 - https://angeo.copernicus.org/articles/26/335/2008/angeo-26-335-2008.pdf DO - 10.5194/angeo-26-335-2008 ER -