BaO-BaB2O4 phase systems // Russian journal of inorganic chemistry

A.E. Kokh, N.G. Kononova, T.B. Bekker, Yu. F. Kargin, N.G. Furmanova, P.P. Fedorov, S.V. Kuznetsov, E.A. Tkachenko. BaO-BaB2O4 phase systems // Russian journal of inorganic chemistry. 2005. V.50, №11. P.1749-1753.