(1958). Vol. 31, № 240; Mineralogical magazine. 1958.
Cita Chicago (17th ed.)Vol. 31, № 240; Mineralogical Magazine. 1958, 1958.
Cita MLA (9th ed.)Vol. 31, № 240; Mineralogical Magazine. 1958, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.