Bogod, V. M., Korzhavin, A. N., Akhmedov, Sh. B., Hildebrandt, J., and Krüger, A.: 1986, Contr. Astron. Obs. Skalnaté Pleso 15, 717.
Hick, P. and Švestka, Z.: 1987, Solar Phys. 108, 315.
Kahler, S. W.: 1977, Astrophys. J. 214, 891.
Krüger, A.: 1979, Introduction to Solar Radio Astronomy and Radio Physics, D. Reidel Publ. Co., Dordrecht, Holland.
Krüger, A. and Hildebrandt, J.: 1985, Astron. Nachr. 306, 157.
Krüger, A., Hildebrandt, J., and Fürstenberg, F.: 1985, Astron. Astrophys. 143, 72.
Krüger, A., Hildebrandt, J., Urpo, S., and Pohjolainen, S.: 1989, Adv. Space Res. (in press).
Kundu, M. R.: 1972, Solar Phys. 25, 108.
Moiseev, I. G. and Nesterov, N. S.: 1984, Abstract of Contribution to the XVIth Soviet Conference on Radio Astronomy Exploration of the Solar System, Zvenigorod, U.S.S.R.
Petrasso, R. D., Nolle, J. T., Gerassimenko, M., Krieger, A. S., Krogstad, R., Seguin, F. H., and Švestka, Z.: 1979, Solar Phys. 62, 133.
Solar Geophysical Data, NOAA, US Dept. of Commerce, Boulder, 1980.
Solnechnye Dannye, Leningrad, September 1980.
Švestka, Z.: 1984, Mem. Soc. Astron. Ital. 55, 725.
Urpo, S., Krüger, A., and Hildebrandt, J.: 1986, Astron. Astrophys. 163, 340.
Urpo, S., Teräsranta, H., Rompolt, B., and Garczyńska, I.: 1983, Report to the XIth General Assembly of URSI, Helsinki.
Urpo, S., Teräsranta, H., Pohjolainen, S., Ruždjak, V., Vršnak, B., and Rompolt, B.: 1986, Adv. Space Res. 6, 267.
Urpo, S., Teräsranta, H., Krüger, A., Hildebrandt, J., and Ruždjak, V.: 1989, Astron. Nachr. (in press).