1. I. Smirnova and P. Gurikov, Annu. Rev. Chem. Biomol. Eng. 8, 307 (2017).
2. N. V. Men’shutina, A. M. Katalevich, and I. Smirnova, Russ. J. Phys. Chem. B 8, 973 (2014).
3. P. W. Pekala, J. Mater. Sci. 24, 3221 (1989).
4. M. Aegerter, N. Leventis, and M. Koebel, Aerogels Handbook (Advances in Sol-Gel Derived Materials and Technologies) (Springer, New York, 2011).
5. S. A. Al-Muhtaseb and G. A. Ritter, Adv. Mater. 15, 101 (2003).