(1952). Vol. 29, № 218; Mineralogical magazine. 1952.
Cita Chicago (17th ed.)Vol. 29, № 218; Mineralogical Magazine. 1952, 1952.
Cita MLA (9th ed.)Vol. 29, № 218; Mineralogical Magazine. 1952, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.