@article{PismaZhETF.57.238,
    title = {Effect of spin fluctuations on the linewidth of 4f-electron transitions in Tm-YBCO compounds},
    author = {Kovacevic, Z. and Plakida, N. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {57},
    issue = {4},
    pages = {238},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17770.shtml},
}