Ehrhart, B. D. (2021). Study of hydrogen fuel cell technology for rail propulsion and review of relevant industry standards. U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development and Technology.
Chicago Style (17th ed.) CitationEhrhart, Brian D. Study of Hydrogen Fuel Cell Technology for Rail Propulsion and Review of Relevant Industry Standards. Washington, DC: U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development and Technology, 2021.
MLA (9th ed.) CitationEhrhart, Brian D. Study of Hydrogen Fuel Cell Technology for Rail Propulsion and Review of Relevant Industry Standards. U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development and Technology, 2021.