@article{PismaZhETF.7.318,
    title = {Dynamics of Low Frequency Oscillations of Gunn Diodes},
    author = {Levinshtein, M. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {7},
    issue = {9},
    pages = {318},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25654.shtml},
}