1. US Department of Energy 2012 Targets for Onboard Hydrogen Storage Systems for Light-Duty Vehicles http://energy.gov/sites/prod/files/2015/01/f19/fcto_myrdd_table_onboard_h2_storage_systems_doe_targets_ldv.pdf
2. Müller , C. Fürst , S. von Klitzing , W. Hagler , T. 2007 Proceedings of the Second International Conference on Hydrogen Safety, 11-13 September 2007, San Sebastian
3. Insulated pressure vessels for hydrogen storage on vehicles;Aceves;Int. J. Hydrogen Energy,1998
4. The Linde Group 2013 Linde Cryo Pump http://www.linde-gas.com/en/innovations/hydrogen_energy/fuelling_technologies/cryo_pump.html
5. SAE 2014