@article{PismaZhETF.30.695,
    title = {New shallow donors in silicon},
    author = {Sibiryak, E. A. and Lifshits, T. M. and Voronkova, G. I. and Dzhioeva, S. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {30},
    issue = {11},
    pages = {695},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20731.shtml},
}