1. M. V. Kartsovnik, Chem. Rev. 104, 5737 (2004).
2. G. Saito and Y. Yoshida, Bull. Chem. Soc. Jpn. 80, 1 (2007).
3. M. V. Kartsovnik, in The Physics of Organic Conductors and Superconductors, Ed. by A. Lebed (Springer, Berlin, Heidelberg, 2008), p. 185.
4. T. G. Prokhorova and E. B. Yagubskii, Russ. Chem. Rev. 86, 164 (2017).
5. R. Lyubovskaya, E. Zhilyaeva, G. Shilov, A. Audouard, D. Vignolles, E. Canadell, S. Pesotskii, and R. Lyubovskii, Eur. J. Inorg. Chem., No. 24, 3820 (2014).