TY - JOUR A1 - Lilensten, J. A1 - Cander, Lj. R. A1 - Rietveld, M. T. A1 - Cannon, P. S. A1 - Barthélémy, M. T1 - Comparison of EISCAT and ionosonde electron densities: application to a ground-based ionospheric segment of a space weather programme JO - Ann. Geophys. J1 - ANGEO VL - 23 IS - 1 SP - 183 EP - 189 Y1 - 2005/01/31 PB - Copernicus Publications SN - 1432-0576 UR - http://www.ann-geophys.net/23/183/2005/ L1 - http://www.ann-geophys.net/23/183/2005/angeo-23-183-2005.pdf DO - 10.5194/angeo-23-183-2005 ER -