@article{PismaZhETF.89.84, title = {Quasi-direct optical transitions in Ge nanocrystals embedded in GeO$_2$ matrix}, author = {Volodin, V. A. and Gorokhov, E. B. and Marin, D. V. and Rinnert, H. and Miska, P. and Vergnat, M.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {89}, issue = {2}, pages = {84}, year = {2009}, doi = {}, url = {http://jetpletters.ru/ps/0/article_28399.shtml}, }