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Hayden, L. A.; Watson, E. B.; Wark, D. A. (2008). ”A thermobarometer for sphene (titanite)”. Contributions to Mineralogy and Petrology 155 (4): sid. 529–540. doi:10.1007/s00410-007-0256-y. Bibcode: 2008CoMP..155..529H.
Helean, K. B.; Ushakov, S. V.; Brown, C. E.; Navrotsky, A.; Lian, J.; Ewing, R. C.; Farmer, J. M.; Boatner, L. A. (June 2004). ”Formation enthalpies of rare earth titanate pyrochlores”. Journal of Solid State Chemistry 177 (6): sid. 1858–1866. doi:10.1016/j.jssc.2004.01.009. Bibcode: 2004JSSCh.177.1858H.