Characteristic features of the temperature dependence of the surface impedance in polycrystalline samplesYu. A. Nefyodov, M. R. Trunin, A. F. Shevchun, D. V. Shovkun, N. N. Kolesnikov, M. P. Kulakov, A. Agliolo Gallitto and S. FricanoEurophys. Lett., 58 3 (2002) 422-428DOI: https://doi.org/10.1209/epl/i2002-00656-8