1. P. Villars and K. Cenzual, Pearson’s Crystal Data–Crystal Structure Database for Inorganic Compounds (PCDIC) (ASM International, Materials Park, OH).
2. Inorganic Crystal Structure Database(ICSD) (Fachinformationszentrum Karlsruhe (FIZ), Germany; US National Institute of Standard and Technology (NIST), USA).
3. G. D. Ilyushin, Crystallogr. Rep. 62 (5), 670 (2017). https://doi.org/10.1134/S106377451705008X
4. G. D. Ilyushin, Crystallogr. Rep. 63 (4), 543 (2018). https://doi.org/10.1134/S1063774518040089
5. J. B. Friauf, J. Am. Chem. Soc. 49, 3107 (1927).