1. Documents Concerning the New Definition of the Metre: Metrologia 19, 163 (1984)
2. E.V. Baklanov, V.P. Chebotayev: Zh. Eksp. Teor. Fiz. 61, 926 (1971)
3. M.S. Sorem, A.L. Schawlow: Opt. Commun. 5, 148 (1972)
4. V.G. Goldort, A.N. Goncharov, A.E. Ohm, M.N. Skvortsov, V.P. Chebotayev: Optical Time and Frequency Standards (Novosibirsk 1985) p. 133
5. S.N. Bagayev, E.V. Baklanov, V.P. Chebotayev: Pisma Zh. Eksp. Teor. Fiz. 16, 15 (1972)