Magnetic Study of SiO2/γ-Fe2O3 Nanocomposites Prepared by the SOL-GEL Method N. Viart, D. Niznansky et J.L. Rehspringer J. Phys. IV France, 07 C1 (1997) C1-555-C1-556 DOI: 10.1051/jp4:19971229