Kakhniashvili, Giorgi, and Irakli Nakhutsrishvili. 2022. “Electronic Quality Factor and Universal Electrical Conductivity of Thermoelectric 〖Bi〗_2 〖Sr〗_(2-X) 〖[Sr(BO_2 )_2 ]_x Co〗_(1.8) O_y”. Georgian Scientists 4 (4):181-87. https://doi.org/10.52340/gs.2022.04.04.20.