CONDUCTIVITY ANISOTROPY AND METAL-INSULATOR TRANSITION OF Y1-zPrzBa2Cu3O7–δ SINGLE CRYSTALS WITH VARIOUS PRASEODYMIUM CONTENT (review). (2025). Journal of V. N. Karazin Kharkiv National University. Series Physics, 43, 7‒21. https://doi.org/10.26565/2222-5617-2025-43-01