Spencer, P. S. J., Department of Electronic and Electrical Engineering, University of Bath, U.K.

• Annals of Geophysics Vol. 50 No. 3 (2007) - OLD
  Imaging of fast moving electron-density structures in the polar cap
  Abstract  PDF
• Annals of Geophysics Vol. 46 No. 4 (2003) - OLD
  A three-dimensional time-dependent algorithm for ionospheric imaging using GPS
  Abstract  PDF