@article{PismaZhETF.27.52,
    title = {Laser photoionization detection of individual sodium atoms via Rydberg states},
    author = {Bekov, G. I. and Letokhov, V. S. and Mishin, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {27},
    issue = {1},
    pages = {52},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23634.shtml},
}