Plastic densification in silica aerogels T. Woignier, I. Beurroies, P. Delord, V. Gibiat, R. Sempere and J. Phalippou Eur. Phys. J. AP, 6 3 (1999) 267-271 Published online: 15 June 1999 DOI: 10.1051/epjap:1999183