Hall, C., Blix, T. A., Brekke, A., Friedrich, M., Hansen, T., Kirkwood, S., Röttger, J., & Thrane, E. (1985). MAP/WINE electron density profiles in the D- and E-regions: A comparison of EISCAT, PRE and rocket data. In Proc. 7th ESA Symposium on European Rocket & Balloon Programmes and Related Research (pp. 279-284). Noordwijk: ESA Publ. Div.