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2. Abdelatif, T. E. 1985, “Umbral oscillations as a probe of sunspot structure,” Ph.D. Thesis, University of Rochester.
3. Abdelatif, T. E. 1990, “Magneto-atmospheric waves,” Solar Phys., 129, 201.
4. Abdelatif, T. E., Lites, B. W., and Thomas, J. H. 1984, “Oscillations in a sunspot and the surrounding photosphere,” in Small-Scale Dynamical Processes in Quiet Stellar Atmospheres, ed. S. L. Keil (Sunspot, NM: National Solar Observatory), p. 141.
5. Abdelatif, T. E., Lites, B. W., and Thomas, J. H. 1985 (unpublished movie of sunspot oscillations.)