1. http://www1.eere.energy.gov/hydrogenandfuelcells/storage/pdfs/targets_onboard_hydro_storage.pdf
2. Hydrogen Storage: High-Pressure Gas Containment;Irani;MRS Bulletin,2002
3. S. Lasher K. McKenney J. Sinha P. Chin 2009 DOE Hydrogen Program Review 2009 http://www.hydrogen.energy.gov/pdfs/review09/st_12_lasher.pdf
4. R. K. Ahluwalia T. Q. Hua J-K. Peng R. Kumar 2009 DOE Hydrogen Program Review 2009 http://www.hydrogen.energy.gov/pdfs/review09/st_13_ahluwalia.pdf
5. Increasing the Density of Adsorbed Hydrogen with Coordinatively Unsaturated Metal Centers in Metal-organic Frameworks;Liu;Langmuir,2008