@article{PismaZhETF.55.216,
    title = {Excitation of low-lying isomer level of the nucleus $^{229}Th$ by optical photons},
    author = {Tkalya, E. V.},
    journal = {Письма в ЖЭТФ},
    volume = {55},
    issue = {4},
    pages = {216},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19223.shtml},
}