1. H. Schafer, Chemische Transportreaktionen (Bergstr: Verlag Chemie, MnbH, Weinhelm, 1962).
2. V. A. Timofeeva, Crystal Growth from Flux (Nauka, Moscow, 1978) [in Russian].
3. K.-T. Vil’ke, Crystal Growth, Ed. by T. G. Petrov and O. Yu. Punin (Nedra, Leningrad, 1977) [in Russian].
4. S. G. Parker and J. E. Pinnell, J. Cryst. Growth 3, 490 (1968).
5. D. Chareev, E. Osadchii, T. Kuzmicheva, et al., Cryst. Eng. Commun. 15 (10), 1989 (2013).