TY - JOUR A1 - Taylor, J. R. A1 - Yeoman, T. K. A1 - Lester, M. A1 - Emery, B. A. A1 - Knipp, D. J. T1 - Variations in the polar cap area during intervals of substorm activity on 20-21 March 1990 deduced from AMIE convection patterns JO - Ann. Geophys. J1 - ANGEO VL - 14 IS - 9 SP - 879 EP - 887 Y1 - 1996/09/30 PB - Springer Verlag SN - 1432-0576 UR - https://angeo.copernicus.org/articles/14/879/1996/ L1 - https://angeo.copernicus.org/articles/14/879/1996/angeo-14-879-1996.pdf DO - 10.1007/s00585-996-0879-8 ER -