@article{PismaZhETF.23.377,
    title = {Singularities of absorption spectra of directionally deformed naphthalene crystals},
    author = {Ostapenko, N. I. and Khotyaintseva, G. Yu. and Chernomorets, M. P. and Shpak, M. T.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {23},
    issue = {6},
    pages = {377},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27529.shtml},
}