Dielectric study of v2O5-1.6 H2O xerogel in the broad frequency range (10^5-10^10 hz) J.C. Badot, A. Fourrier-Lamer and N. Baffier J. Phys. France, 46 12 (1985) 2107-2115 DOI: 10.1051/jphys:0198500460120210700