Phase Development in Sol-Gel Derived Lead Titanate : A XAS Study G. Antonioli, D. Bersani, P.P. Lottici, I. Manzini, S. Bassi, G. Gnappi et A. Montenero J. Phys. IV France, 7 C2 (1997) C2-1161-C2-1162 DOI: 10.1051/jp4:19972173