D. V. Gitsu, V. A. Dolma, F. M. Muntyanu, Ya. G. Ponomarev, “Longitudinal magnetoresistance and Shubnikov–de Haas oscillations in filamentary $\mathrm{Bi}_{1-x}\mathrm{Sn}_{n}$ single crysals $(0\leqslant x \leqslant 0.3$ at.$\%)$”, Fizika Tverdogo Tela, 33:4 (1991), 1100–1112
