@article{PismaZhETF.28.87,
    title = {Secondary electron spin echo in quartz},
    author = {Rutkovskii, I. Z. and Fedoruk, G. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {28},
    issue = {2},
    pages = {87},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23846.shtml},
}