1. Yu. I. Kuzmin, Tech. Phys. Lett., 25 (11), 877 (1999).https://doi.org/10.1134/1.1262669
2. K. C. Kao, Dielectric phenomena in solids (Elsevier Academic Press, San Diego, 2004).
3. Electrets, Ed. by G. M. Sessler (Springer, Berlin—Heidelberg, 1987).
4. X. Li, Y. Wang, M. Xu, Y. Shi, H. Wang, X. Yang, H. Ying, Q. Zhang, J. Appl. Polym. Sci., 138 (19), 50406 (2021). https://doi.org/10.1002/app.50406
5. P. Wei, X. L. Li, L. Wang, N. N. Liu, S. He, Y. R. Ren, Y. W. Zhu, Y. D. Yang, G. H. Lu, L. J. Bu, Adv. Electron. Mater., 6 (4), 1901156 (2020). https://doi.org/10.1002/aelm.201901156