VIRICH, V. D.; GORBENKO, Y. V.; KOVTUN, G. P.; NAGORNY, S. S.; POTINA, T. S.; SOLOPIKHIN, D. A.; SHCHERBAN’, A. P. Refining Ancient Lead by Vacuum Distillation. East European Journal of Physics, v. 3, n. 4, p. 60-65, 10 Mar. 2017.