Stubbe, P., Kopka, H., Rietveld, M. T., Frey, A., HØeg, P., Kohl, H., Nielsen, E., Rose, G., La Hoz, C., Barr, R., Derblom,
H., Hedeberg, Å., Thidé, B., Jones, T. B., Robinson, T., Brekke, A., Hansen, T., & Holt, O. (1985).
Ionospheric modification experiments with the tromsØ heating facility. Journal of Atmospheric and
Terrestrial Physics, 12, 1151-1163.