For citations:
Loiko P.A., Rachkovskaya G.E., Skoptsov N.A., Arzumanyan G.M., Kulik M., Kuklin A.I., Zakharevich G.B., Yumashev K.V., Mateos X. MECHANISMS OF UPCONVERSION LUMINESCENCE IN GLASS-CERAMICS CONTAINING Er:PbF2 NANOCRYSTALS. Zhurnal Prikladnoii Spektroskopii. 2017;84(1):172(1)-172(8). (In Russ.)