@article{PismaZhETF.56.35, title = {Anisotropic Stark effect at a deep center in silicon}, author = {Bagraev, N. T. and Polovtsev, I. S.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {56}, issue = {1}, pages = {35}, year = {1992}, doi = {}, url = {http://jetpletters.ru/ps/0/article_19373.shtml}, }