@article{PismaZhETF.34.328, title = {Natural birefringence of cubic CuBr crystals in the exciton part of the spectrum}, author = {Gogolin, O. V. and Tsitsishvili, E. G. and Deiss, J. L. and Klingshirn, C. and Solomko, V. E.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {34}, issue = {6}, pages = {328}, year = {1981}, doi = {}, url = {http://jetpletters.ru/ps/0/article_23177.shtml}, }