Ortiz Vega, D.
, Hall, K.
, Holste, J.
, Harvey, A.
and Lemmon, E.
(2023),
An Equation of State for the Thermodynamic Properties of Helium, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.8474, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=956186
(Accessed December 7, 2024)