@article{PismaZhETF.26.455,
    title = {Observation of excitons in thin surface layers of CdS},
    author = {Zuev, V. A. and Korbutyak, D. V. and Kurik, M. V. and Litovchenko, V. G. and Rozhko, A. Kh. and Skubenko, P. A.},
    journal = {Письма в ЖЭТФ},
    volume = {26},
    issue = {6},
    pages = {455},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20923.shtml},
}