@article{PismaZhETF.4.429,
    title = {Spontaneously Fissioning Isomer with Half-life $10^{-7}$ Sec},
    author = {Gangrskii, Yu. P. and Markov, B. N. and Polikanov, S. M. and Jungclaussen, H.},
    journal = {Письма в ЖЭТФ},
    volume = {4},
    issue = {10},
    pages = {429},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25058.shtml},
}