Siewert, T.
, McColskey, J.
and Lasseigne, A.
(2008),
HYDROGEN PIPELINE RESEARCH AT NIST, NHA 2008 Annual Conference: Hydropower: Blue Energy for a Greener Future, Sacramento, CA, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=853598
(Accessed January 14, 2025)