@article{PismaZhETF.21.368,
    title = {Optical excitation of isotopes that are selective in nuclear spin},
    author = {Zel'dovich, Ya. B. and Sobel'man, I. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {21},
    issue = {6},
    pages = {368},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22330.shtml},
}