F. O. Ivashchyshyn, V. M. Maksymych, T. D. Krushelnytska, O. V. Rybak, B. O. Seredyuk, and N. K. Tovstyuk, Biintercalate layered heterostructure: synthesis conditions and physical properties , Low Temp. Phys. 47, (2021) [Fiz. Nizk. Temp. 47, 1165-1172, (2021)] DOI: https://doi.org/10.1063/10.0007082.