Fejer, J. A.; Ierkic, H. M.; Woodman, R. F.; Röttger, J.; Sulzer, M.; Behnke, R. A.; Veldhuis, A.: Observations of the HF-enhanced plasma line with a 46.8-MHz radar and reinterpretation of previous observations with the 430-MHz radar. Journal Geophysical Research 88, pp. 2083 - 2092 (1983)
Larsen, M. F.; Röttger, J.: Comparison of tropopause height and frontal boundary locations based on radar and radiosonde data. Geophysical Research Letters 10, pp. 325 - 328 (1983)
Röttger, J.: EISCAT - Das europäische Incoherent-Scatter-Radar zur Erforschung der polaren Atmosphäre. Mitt. Astron. Gesellschaft 58, pp. 67 - 79 (1983)
Röttger, J.: Origin of refractive index fluctuations in the mesosphere as opposed to the stratosphere and troposphere. Handbook for MAP 9, pp. 143 - 144 (1983)