@article{PismaZhETF.60.20,
    title = {Dilatometric study of phase transitions in ferroelastic materials of the $La_2CuO_4$ type},
    author = {Troyanchuk, I. O. and Akimov, A. I. and Kasper, N. V.},
    journal = {Письма в ЖЭТФ},
    volume = {60},
    issue = {1},
    pages = {20},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19952.shtml},
}