J. Chigvinadze, S. Ashinov, G. Mamniashvili, G. Donadze, A. Peikrishvili, and B. Godibadze, “On the Nature of Superconducting Precursors in Bi-Pb-Sr-Ca-Cu-O Compositions Fabricated by Hot Shock Wave Consolidation Technology”, Eng. Technol. Appl. Sci. Res., vol. 8, no. 3, pp. 3032–3037, Jun. 2018.