1. Anand, S. P. S. and Michalitsanos, A. G.: 1976,Astrophys. J. Letters (in preparation).
2. Chapman, R. D., Maran, S. P., Hobbs, R. W., Heinsheimer, T. F., Michalitsanos, A. G., and Anand, S. P. S.: 1976,Astrophys. J. Supp. (in preparation).
3. Gabriel, M., Scuflaire, R., Noels, A., and Boury, A.: 1975,Astron. Astrophys. 40, 33.
4. Gough, D. O.: 1965, Summer Study Program of the Woods Hole Oceanographic Institution,Geophysical Fluid Dynamics, ref. No. 65-51,2, 49.
5. Lynds, C. R., Worden, S. P., and Harvey, J.: 1974,Bull. Am. Astron. Soc. 6, 459.