Microwave properties of Ba0.6K0.4BiO3 crystalsS. Fricano, M. Bonura, A. Agliolo Gallitto, M. Li Vigni, L. A. Klinkova and N. V. BarkovskiiEur. Phys. J. B, 41 3 (2004) 313-318DOI: https://doi.org/10.1140/epjb/e2004-00323-6