Rushing, A.
and Lippiatt, B.
(2009),
Energy price indices and discount factors for life-cycle cost analysis - 2009 ::annual supplement to NIST Handbook 135 and NBS Special Publication 709, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.IR.85-3273-24
(Accessed April 25, 2025)