@article{PismaZhETF.19.429,
    title = {Superradiance on the $2^+$ and $1^-$ bands of nitrogen in a discharge at pressures above 10 atm},
    author = {Ishchenko, V. N. and Lisitsyn, V. N. and Razhev, A. M. and Starinskii, V. N.},
    journal = {Письма в ЖЭТФ},
    volume = {19},
    issue = {7},
    pages = {429},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27047.shtml},
}