Sakhabayeva S, Balapanov M, Kuterbekov K, et al. Thermal conductivity and thermal EMF of nanocrystalline copper sulfides K0,01Cu1,85S and K0,04Cu1,85S. Rec.Contr.Phys. 2021;2021(4):72-81. doi:10.26577/RCPh.2021.v79.i4.09