1. Ambient-temperature supercritical drying of transparent silica aerogels
2. Preparation of Low-Density Aerogels at Ambient Pressure
3. A. Rigacci, G. Petermann, L. Gullberg, K.I. Jensen, J.M. Schultz, B. Chevalier, P. Nitz, D. Valette, P. Achard, G.M. Pajonk, M. Durant, M. Ryden, S. Buathier, M.-A. Einarsrud, E. Nilsen, in: Proc. 7th Meeting on Supercritical Fluids, 6–8 December 2000, Antibes, France, 2000, p. 205