Krymus, A. S., Myronchuk, G. L. and Parasyuk, O. V. (2019) “Influence of Cu-, Sn-, and in-Doping on Optical Properties of AgGaGe3Se8 Single Crystals”, Ukrainian Journal of Physics, 61(7), p. 606. doi: 10.15407/ujpe61.07.0606.