1. Anderson, E.R., Duvall, T.L. Jr. Jefferies, S.M.: 1990, Modeling of solar oscillation power spectra. Astrophys. J. 364, 699. DOI . ADS .
2. Antia, H.M., Basu, S., Pintar, J., Schou, J.: 2001, How correlated are f-mode frequencies with solar activity? In: Wilson, A., Pallé, P.L. (eds.) SOHO 10/GONG 2000 Workshop: Helio- and Asteroseismology at the Dawn of the Millennium SP-464, ESA, Noordwijk, 27. ADS .
3. Beck, J.G., Giles, P.: 2005, Helioseismic determination of the solar rotation axis. Astrophys. J. Lett. 621, L153. DOI . ADS .
4. Christensen-Dalsgaard, J.: 2004, An overview of helio- and asteroseismology. In: Danesy, D. (ed.) SOHO 14 Helio- and Asteroseismology: Towards a Golden Future SP-559, ESA, Noordwijk, 1. ADS .
5. Duvall, T.L. Jr.: 1982, A dispersion law for solar oscillations. Nature 300, 242. DOI . ADS .