1. Ando, H. and Osaki, Y.: 1975, Publ. Astron. Soc. Japan 27, 581.
2. Ando, H. and Osaki, Y.: 1977, Publ. Astron. Soc. Japan (to be published).
3. Chiuderi, C. and Giovanardi, C.: 1975, Solar Phys. 41, 35.
4. Eckart, C.: 1960, Hydrodynamics of Oceans and Atmospheres, Pergamon Press.
5. Fossat, E. and Ricort, G.: 1975, Astron. Astrophys. 43, 243.