Anomalous dielectric relaxation in lithium-potassium tantalate crystals P. Doussineau, Y. Farssi, C. Frénois, A. Levelut, J. Toulouse et S. Ziolkiewicz J. Phys. I France, 4 8 (1994) 1217-1236 DOI: 10.1051/jp1:1994250