@article{PismaZhETF.7.481,
    title = {Possible Verification of the Equivalence Principle (for Atomic Phenomena) in the Second and Higher Orders in the Newtonian Gravitational Constant},
    author = {Naida, O. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {7},
    issue = {12},
    pages = {481},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25824.shtml},
}