@article{PismaZhETF.56.49,
    title = {Pseudo-Stark splitting induced by a phase transition in the optical spectra of ferroelectrics with dipole impurity centers},
    author = {Basun, S. A. and Kaplyanskii, A. A. and Feofilov, S. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {56},
    issue = {1},
    pages = {49},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19376.shtml},
}