@article{PismaZhETF.56.352,
    title = {Dynamic gratings of the quadratic polarizability in polydiacetylene PTS},
    author = {Vinogradov, G. A. and Zel'dovich, B. Ya. and Kotegov, A. M. and Chudinov, A. N.},
    journal = {Письма в ЖЭТФ},
    volume = {56},
    issue = {7},
    pages = {352},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19497.shtml},
}