Electronic structure of noncentrosymmetric α-GeO2 with oxygen vacancy: ab initio calculations and comparison with experiment / V. V. Atuchin, V. V. Kaichev, I. V. Korolkov [et.al.] // The Journal of Physical Chemistry C. 2014. Vol. 118. № 7. P. 3644-3650. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000493504