@article{PismaZhETF.57.210,
    title = {On  the  role  of conduction  band  states in forming of electron negative-U centres},
    author = {Klinger, M. I. and Taraskin, S. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {57},
    issue = {4},
    pages = {210},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4616.shtml},
}