1. D.P. Broom: Hydrogen Storage Materials, The Characterization of Their Storage Properties, Springer, London, 2010, pp. 5
2. United States Department of Energy, Office of Energy Efficiency and Renewable Energy and the Freedom CAR and Fuel Partnership: “Targets for Onboard Hydrogen Storage Systems for Light-Duty Vehicles”, Washington, 2009
3. L.E. Klebanoff, J.O. Keller: 5 Years of hydrogen storage research in the U.S. DOE Metal Hydride Center of Excellence (MHCoE), International Journal of Hydrogen Energy, 2013, vol. 38, pp. 4533-4576
4. W. Osborn, T. Markmaitree, L.D. Shaw, J.-Z. Hu, J. Kwak, Z. Yang: International Journal of Hydrogen Energy, 2009, Vol.34, pp. 4331-4339
5. G. Miceli: Dissertation, Università degli Studi di Milano-Bicocca, 2010