@article{PismaZhETF.29.741,
    title = {Tracing of the first-order phase transition in a layered $Pbl_2$ semiconductor  by the method of exciton spectroscopy},
    author = {Blonskii, I. V. and Gubanov, V. A. and Mizrukhin, L. V. and Tishchenko, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {29},
    issue = {12},
    pages = {741},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22212.shtml},
}