@article{PismaZhETF.61.259,
    title = {Two mechanisms for spectral diffusion in optical spectra of impurity centers},
    author = {Osad'ko, I. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {61},
    issue = {4},
    pages = {259},
    year = {1995},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18139.shtml},
}