Datta-Barua, S., G. Bust, and G. Crowley, Error Propagation in Ionospheric Image-based Parameter Estimation, Proceedings of the 23rd International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2010), Portland, OR, September 2010, pp. 1039-1048.
Datta-Barua, S., G. Bust, and G. Crowley, “Using Beacon Satellites to Estimate Ionospheric Drivers During Stormy Periods,” presented at Beacon Satellite Symposium, Barcelona, Spain, June 7–11, 2010.