@article{PismaZhETF.38.3,
    title = {On the nonlinear absorption of light in ZnO single crystals},
    author = {Baltrameyunas, R. and Gavryushin, V. and Kubertavichyus, V. and Rachyukaitis, G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {38},
    issue = {1},
    pages = {3},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22429.shtml},
}