@article{https://authors.library.caltech.edu/records/jqvzh-w0b91,
    author = "Levine, Paul H. and von Roos, Oldwig",
    title = "Plasma theory of the many-electron atom",
    year = "1962",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:LEVpr62",
    id = "https://authors.library.caltech.edu/records/jqvzh-w0b91",
    issn = "0031-899X",
    doi = "10.1103/PhysRev.125.207",
    volume = "125",
    number = "1",
    pages = "207-213"
}


@article{https://authors.library.caltech.edu/records/3667w-fzy88,
    author = "von Roos, Oldwig",
    title = "Collision-induced spin flip of hydrogen atoms",
    year = "1959",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:ROOpr59",
    id = "https://authors.library.caltech.edu/records/3667w-fzy88",
    issn = "0031-899X",
    doi = "10.1103/PhysRev.115.911",
    volume = "115",
    number = "4",
    pages = "911-918"
}