Pashchenko , L., Du, J., Komisarov, A., Nazirov , Z., Kotvytska, K. and Vovk, R. 2023. Features of the crystal structure and influence of long-term exposure in the air atmosphere on electrical transport of HTSC-compounds of system 1-2-3 (review). Journal of V. N. Karazin Kharkiv National University. Series Physics. 39 (Nov. 2023), 7-25. DOI:https://doi.org/10.26565/2222-5617-2023-39-01.