1. International association on hydrogen safety; http://www.hysafe.info/.
2. Directive 2014/94/EU of the European Parliament and of the Council of 22 October 2014 on the deployment of alternative fuels infrastructure Text with EEA relevance; http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex%3A32014L0094.
3. INERIS published a report on the topic hydrogen fueling stations benchmark on its website: https://www.google.fr/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjo5OCD46nKAhWB7BQKHWStAbUQFggfMAA&url=http%3A%2F%2Fwww.ineris.fr%2Fcentredoc%2Fdra-71-rapport-benchmark-station-service-hydrogene–diffusion-1-1427110132.pdf&usg=AFQjCNGIdQeyNYigsO_TUMKEs1DvwJbMOw&sig2=RihmiW_vbu052E4sEusMOw&bvm=bv.111677986,d.d24.
4. Statistical analysis based on www.netinform.net-.
5. ISO/CD 19884 gaseous hydrogen - cylinders and tubes for stationary storage: Standard under development, specifies the requirements for assessing cylinders, tubes, and other pressure vessels.