@article{PismaZhETF.18.245,
    title = {Polarization of exciton and biexciton recombination in deformed germanium},
    author = {Bir, G. L. and Pikus, G. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {18},
    issue = {4},
    pages = {245},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23913.shtml},
}