Previous Article Next Article Table of Contents Journal of Materials Science Letters, Vol.13, No.4, 291-292, 1994 DOI10.1007/BF00571780 Export Citation Toughness and Fracture Surface-Energy of Wet SiO2-SiO2 Sonogel Composites Zarzycki J, Atik M Please enable JavaScript to view the comments powered by Disqus.