1. Gokhale M.H., Javaraiah, J. and Hiremath, K.M., 1990, “Study of Sun’s ‘hydromagentic’ oscillations using sunspot data” in Stenflo, J.O.(ed) “Solar Photosphere: Structure, Covection and Magnetic Fields”, IAU Symp. 138, (in press).
2. Gokhale M.H., Javaraiah, J., 1990 “Sunspot activity as originating in interference of sun’ global MHD oscillations”, Mon.Not.Roy.Astron.Soc.(in press).
3. Gokhale, M.H., Makarov, V.L., Sivaraman, K.R., Javaraiah, J., Tavastsherna, K.S., Vasileva, V.V., 1990 “Global modes of solar magnetic fields derived from H-alpha synoptic charts”, (in preparation).
4. Singh, J. and Prabhu, T.P., 1985 “Variations of the solar rotation rate derived from Ca+K plage areas”, Solar Phys. 97, 302.
5. Stenflo, J.O. and Vogel, M 1986 “Global resonances in the evolution of solar magnetic fields” Nature, 319, 285.