%0 Journal Article %A Wanqing Cao %A Arlon J Hunt %B Journal of Non-Crystalline Solids %D 1994 %G eng %N 1 %P 18-25 %R 10.1016/0022-3093(94)90206-2 %T Improving the visible transparency of silica aerogels %V 176 %8 10/1994