@article{PismaZhETF.40.13,
    title = {First observation of a magnetic-resonance change in the resistance of an organic semiconductor (weakly doped polyacetylene)},
    author = {Frankevich, E. L. and Pristupa, A. I. and Kobryanskii, V. M.},
    journal = {Письма в ЖЭТФ},
    volume = {40},
    issue = {1},
    pages = {13},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18940.shtml},
}