Boyko, Y., Khadzhai, G., Vovk, R. and Goulatis, I. 2019. Eff ect of high hydrostatic pressure on various diff usion mechanisms in oxygen defi cient ReBa2Cu3O7–x (Re=Y, Ho) single crystals. Journal of V. N. Karazin Kharkiv National University. Series Physics. 29 (Sep. 2019), 35-38. DOI:https://doi.org/10.26565/2222-5617-2018-29-06.