P. P. Otopkov, Ya. I. Gerasimov, A. M. Evseev, “An investigation of the thermodynamic properties of platinum-lead alloys”, Dokl. Akad. Nauk SSSR, 141:1 (1961), 154–156
2.
P. P. Otopkov, Ya. I. Gerasimov, A. M. Evseev, “An investigation of the thermodynamic properties of cerium – lead, praseodymium – lead and neodymium – lead alloys”, Dokl. Akad. Nauk SSSR, 139:3 (1961), 616–617