@article{PismaZhETF.6.615,
    title = {High-temperature Effects Observed in Stimulated Emission from $CaF_2$ and $LaF_3$ Crystals Activated with $Nd^{3+}$},
    author = {Kaminskii, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {6},
    issue = {5},
    pages = {615},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25347.shtml},
}