Microwave properties of Ba0.6K0.4BiO3 crystals S. Fricano, M. Bonura, A. Agliolo Gallitto, M. Li Vigni, L. A. Klinkova and N. V. Barkovskii Eur. Phys. J. B, 41 3 (2004) 313-318 Published online: 21 October 2004 DOI: 10.1140/epjb/e2004-00323-6