1. Brumberg, V. A. 1991, Essential Relativistic Celestial Mechanics (Adam Hilger, Bristol)
2. Brumberg, V. A. 1992, in Highlights Astron. 9, ed. J. Bergeron, 133
3. Brumberg, V. A., Bretagnon, P., & Francou, G. 1992, in Journées 1991, ed. N. Capitaine, Obs. de Paris, 141