@article{PismaZhETF.4.468,
    title = {Use of Ruby to Obtain Infralow Temperatures by  Adiabatic Demagnetization},
    author = {Alekseevskii, N. E.},
    journal = {Письма в ЖЭТФ},
    volume = {4},
    issue = {11},
    pages = {468},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25068.shtml},
}