1. Sol–gel Science: The Physics and Chemistry of Sol–Gel Processing;Brinker,1990
2. J.D. LeMay, in: Materials Research Society Symposium Proceedings, vol. 207, 1991, p. 21
3. Cellular Solids: Structure and Properties;Gibson,1988
4. Aerogel applications
5. Shrinkage during drying of silica gel