(1953). Vol. 30, № 221; Mineralogical magazine. 1953.
Cita Chicago (17th ed.)Vol. 30, № 221; Mineralogical Magazine. 1953, 1953.
Cita MLA (9th ed.)Vol. 30, № 221; Mineralogical Magazine. 1953, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.