@article{PismaZhETF.22.441,
    title = {Concerning the region of generation of natural radiation of the outer ionosphere at frequencies lower than 300 Hz},
    author = {Vakulov, P. V. and Dobrowolska, B. and Zakharov, A. V. and Kovner, M. S. and Kuznetsov, S. N. and Kuznetsova, V. A. and Larkina, V. I. and Likhter, Ya. I.},
    journal = {Письма в ЖЭТФ},
    volume = {22},
    issue = {9},
    pages = {441},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23364.shtml},
}