TY - JOUR A1 - Egeland, A. A1 - Burke, W. J. T1 - Kristian Birkeland's pioneering investigations of geomagnetic disturbances JO - Hist. Geo Space. Sci. J1 - HGSS VL - 1 IS - 1 SP - 13 EP - 24 Y1 - 2010/04/12 PB - Copernicus Publications SN - 2190-5029 UR - https://hgss.copernicus.org/articles/1/13/2010/ L1 - https://hgss.copernicus.org/articles/1/13/2010/hgss-1-13-2010.pdf DO - 10.5194/hgss-1-13-2010 ER -