1. K. P. Stanyukovich and V. N. Mel'nikov, Hydrodynamics, Fields, and Constants in Gravitation Theory [in Russian], Énergoatomizdat, Moscow (1983).
2. N. A. Zaitsev and V. N. Mel'nikov, Metrologiya, No. 10, 20 (1981).
3. R. V. Eotvos et al., Ann. Phys. (Leipzig),68, No. 1, 11 (1922).
4. P. G. Roll et al., Ann. Phys. (New York),26, No. 2, 442 (1964).
5. V. B. Braginskii and V. I. Panov, Zh. Eksp. Teor. Fiz.,61, No. 3, 873 (1971).