1. R. N. Grimes, Carboranes, Vol. 9, 2nd ed., in Chap. 9, Icosahedral Carboranes: 1,2-C2B10H12, pp. 301–540, Academic Press, New York, NY (2011).
2. P. A. Jelliss, in Boron Science: New Technologies and Applications, in Chap. 15, Photoluminescence from Boron-Based Polyhedral Clusters, N. S. Hosmane (Ed.), pp. 355–384, CRC Press, Boca Raton, FL (2012).
3. R. J. Zaldivar, G. S. Rellick, J. Yang. J. Mater. Res.8, 501 (1993).
4. J. Poater, M. Solà, C. Viñas, F. Teixidor. Chem. Eur. J.22, 7437 (2016).
5. A. A. Attia, A. Lupan, R. B. King. Phys. Chem. Chem. Phys.18, 11707 (2016).