@article{PismaZhETF.47.360,
    title = {Instability of the crystal lattice of $YBa_2Cu_3O_{7-x}$, in the temperature region 240-200 K inferred from the data on Raman scattering of light},
    author = {Rebane, L. A. and Fimberg, T. A. and Fefer, E. M. and Blumberg, G. E. and Ioon, E. R.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {7},
    pages = {360},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16533.shtml},
}