1. J. Girard, Principles of Environmental Chemistry (Jones and Bartlett, Boston, 2005).
2. European Commission. Eur20719 EN — Hydrogen Energy and Fuel Cells — A Vision of Our Future (Office for Official Publications of the European Committees, Luxemburg, 2003).
3. V. V. Volkov, B. V. Mchedlishvili, V. I. Roldugin, et al., Ross. Nanotekhnol. 3(11/12), 67 (2008).
4. A. B. Yaroslavtsev, Usp. Khim. 78, 1094 (2009).
5. M. A. Hickner, H. Ghassemi, Y. S. Kim, et al., Chem. Rev. 104, 4587 (2004).