@article{PismaZhETF.10.249, title = {Local Oscillations in LiF Crystals with Hydrogen Centers}, author = {Azhvlediani, Z. G. and Politov, N. G.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {10}, issue = {6}, pages = {249}, year = {1969}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25943.shtml}, }