, Centre for RF Propagation and Atmospheric Research, QinetiQ, Malvern, U.K.

• Annals of Geophysics Vol. 47 No. 2-3 Sup. (2004) - OLD
  Radio occultation techniques for probing the ionosphere
  Abstract  PDF
• Annals of Geophysics Vol. 47 No. 2-3 Sup. (2004) - OLD
  Long-term trends in the ionosphere and upper atmosphere parameters
  Abstract  PDF