Interhemispheric observations of impulsive nitrate enhancements associated with the four large ground-level solar cosmic ray events (1940–1950), L. Kepko, Harlan E. Spence, D. F. Smart, M. A. Shea
Physics & Astronomy

Relative occurrence rates and connection of discrete frequency oscillations in the solar wind density and dayside magnetosphere, N. M. Viall, L. Kepko, Harlan E. Spence
Physics & Astronomy

Inherent length-scales of periodic solar wind number density structures, N. M. Viall, L. Kepko, Harlan E. Spence
Physics & Astronomy

Two groups of extremely large> 30MeV solar proton fluence events, D. F. Smart, M. A. Shea, Harlan E. Spence, L. Kepko
Physics & Astronomy

Plasma sheet climatology: Geotail observations and LFM model comparisons, T. Guild, Harlan E. Spence, L. Kepko, M. Wiltberger, C. Goodrich, J. Lyon, W. J. Hughes
Physics & Astronomy

Relative timing of substorm onset phenomena, L. Kepko, M. G. Kivelson, R. L. McPherron, Harlan E. Spence
Physics & Astronomy

Observations of discrete, global magnetospheric oscillations directly driven by solar wind density variations, L. Kepko, Harlan E. Spence
Physics & Astronomy

ULF waves in the solar wind as direct drivers of magnetospheric pulsations, L. Kepko, Harlan E. Spence, H. J. Singer
Physics & Astronomy

Association of energetic neutral atom bursts and magnetospheric substorms, A. M. Jorgensen, L. Kepko, M. G. Henderson, Harlan E. Spence, G. D. Reeves, J. B. Sigwarth, L. A. Frank
Physics & Astronomy