Anelastic and Dielectric Relaxation Measurements in the Protonic Conductor Ba3(Ca1.18Nb1.82)O9-δ S. Bausch, H.G. Bohn et W. Schilling J. Phys. IV France, 06 C8 (1996) C8-695-C8-698 DOI: 10.1051/jp4:19968151