Margane︠t︡s - olovo. [Sbornik stateĭ - Stan︠t︡so, V. V. (Vladimir Vitalʹevich); Chernenko, Mikhail B.; Petr︠i︡anov-Sokolov, I. V. (Igorʹ Vasilʹevich), 1907- (Popul︠i︡arna︠i︡a biblioteka khimicheskikh ėlementov., 1972)