N. S. Vyazankin, G. A. Razuvaev, E. N. Gladyshev, T. G. Gurikova, “The first organometallic compounds with $\mathrm{Si}$ – $\mathrm{Si}$ – $\mathrm{Hg}$-
and $\mathrm{Si}$ – $\mathrm{Hg}$ – $\mathrm{Ge}$-groupings”, Dokl. Akad. Nauk SSSR, 155:5 (1964), 1108–1110
