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Reid, I. M.; Czechowsky, P.; Rüster, R.; Schmidt, G.: First VHF Radar Measurements of Mesopause Summer Echoes at Mid-Latitudes. Geophysical Research Letters 16, pp. 135 - 138 (1989)

Rietveld, M. T.; Stubbe, P.; Kopka, H.: On the frequency dependence of ELF/VLF waves produced by modulated ionospheric heating. Radio Science 24, pp. 270 - 278 (1989)

Rosenbauer, H.; Shutte, N.; Apathy, I.; Galeev, A.; Gringauz, K.; Grünwaldt, H.; Hemmerich, P.; Jockers, K.; Kiraly, P.; Kotova, G. et al.; Livi, S.; Marsch, E.; Richter, A.; Riedler, E.; Remizov, T.; Schwenn, R.; Schwingenschuh, K.; Steller, M.; Szegö, K.; Verigin, M.; Witte, M.: Ions of Martian origin and plasma sheet in the Martian magnetosphere: Initial results of the TAUS experiment. Nature 341, pp. 612 - 614 (1989)

Röttger, J.: Mean, tidal, and fluctuating winds in the middle atmosphere and lower thermosphere observed during MAP/WINE in northern Scandinavia. Handbook for MAP 27, pp. 251 - 270 (1989)

Röttger, J.: The interpretation of MST radar echoes: The present knowledge of the scattering/reflection and the irregularity generation mechanisms. Handbook for MAP 28, pp. 68 - 82 (1989)

Röttger, J.: The instrumental principles of MST radars and incoherent scatter radars and the configuration of radar system hardware. Handbook for MAP 30, pp. 54 - 113 (1989)

Röttger, J.; Hoppe, U.-P.; Hall, C.: EISCAT observations during MAC/SINE and MAC/EPSILON. Handbook for MAP 27, pp. 370 - 376 (1989)

Röttger, J.; La Hoz, C.: Fine-structure of Doppler spectra of polar mesosphere summer echoes (PMSE) observed with the EISCAT 224-MHz radar. Handbook for MAP 28, pp. 107 - 114 (1989)

Röttger, J.; La Hoz, C.; Franke, S. J.; Liu, C. H.: Gravity wave steepening and tilting detected in high resolution Doppler spectra of polar mesosphere summer echoes (PMSE) observed with the EISCAT 224 MHz radar. Handbook for MAP 28, pp. 267 - 277 (1989)

Röttger, J.; Liu, C. H.; Fu, I.-J.; Pan, C. J.: Spatial interferometer measurements with the Chung-Li VHF radar. Handbook for MAP 28, pp. 192 - 202 (1989)

Röttger, J.; Rietveld, M. T.; La Hoz, C.; Hall, T.; Kelley, M. C.; Swartz, W. E.: Polar mesosphere summer echoes observed with the EISCAT 933-MHz radar and the CUPRI 46.9-MHz radar. Handbook for MAP 28, pp. 168 - 178 (1989)

Rüster, R.; Reid, I. M.; Czechowsky, P.; Schmidt, G.: VHF Radar Measurements in the Summer Polar Mesosphere. Handbook for MAP 27, pp. 359 - 364 (1989)

Schlegel, K.; Moorcroft, D. R.: EISCAT as tristatic auroral radar. Journal Geophysical Research 94, pp. 1430 - 1438 (1989)

Shen, C.-S.; Luo, Y.; Schlegel, K.: The feature of ionosphere in the auroral zone and the magnetosphere-ionosphere coupling. Chinese Journal of Space Science 9, pp. 127 - 135 (1989)

Shen, C.-S.; Zi, M.-Y.; Schlegel, K.: A case study of the ionospheric morphology at high latitude. Acta Geophysica Sinica 32, pp. 262 - 269 (1989)

Stubbe, P.: Theory of electrostatic waves in an E region plasma. 1. General formulation. Journal Geophysical Research 94, pp. 5303 - 5315 (1989)

Thieme, K. M.; Marsch, E.; Rosenbauer, H.: Estimates of alpha particle heating in the solar wind inside 0.3 AU. Journal Geophysical Research 94, pp. 2673 - 2676 (1989)

Thieme, K. M.; Schwenn, R.; Marsch, E.: Are structures in high-speed streams signatures of coronal fine structures? Advances in Space Research 9, pp. 127 - 130 (1989)

Tu, C.-Y.; Marsch, E.; Thieme, K. M.: Basic properties of solar wind MHD turbulence near 0.3 AU analysed by means of Elsässer variables. Journal Geophysical Research 94, pp. 11739 - 11759 (1989)