Lippiatt, B.
, Weber, S.
and Ruegg, R.
(1985),
Energy prices and discount factors for life-cycle cost analysis ::annual supplement to NBS Handbook 135 and NBS Special Publication 709 1985 edition, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.85-3273-1
(Accessed August 31, 2024)