[1]
Kersley, L., Malan, D., Pryse, S.E., Cander, L.R., Bamford, R.A., Belehaki, A., Leitinger, R., Radicella, S.M., Mitchell, C.N. and Spencer, P.S.J. 2004. Total electron content - A key parameterin propagation: measurement and usein ionospheric imaging. Annals of Geophysics. 47, 2-3 Sup. (Dec. 2004). DOI:https://doi.org/10.4401/ag-3286.