@article{article75d8620e,
title   = {Structural study of silica sonogels},
author = {Rosa Fox, N and Esquivias, L and Craievich, A and Zarzycki, J},
year = {1990},
doi = {10.1016/0022-3093(90)90134-8},
journal   = {Journal of Non-Crystalline Solids}
}