@article{PismaZhETF.32.596,
    title = {Mechanism of valence transitions in rare-earth metal compounds},
    author = {Druzhinin, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {32},
    issue = {10},
    pages = {596},
    year = {1980},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21807.shtml},
}