@article{PismaZhETF.34.115,
    title = {Free exciton and exciton-impurity complexes of monoclinic zinc diphosphide},
    author = {Sobolev, V. V. and Kozlov, A. I. and Tychina, I. I. and Romanik, P. A. and Smolyarenko, E. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {34},
    issue = {3},
    pages = {115},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23143.shtml},
}