@article{PismaZhETF.38.430,
    title = {Superstructure regions in the lattice of the solid solution $(CaF_2)_{1-x}(ErF_3)_x$, with $x\geq0.001$},
    author = {Kazanskii, S. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {38},
    issue = {9},
    pages = {430},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22659.shtml},
}