@misc{1200131, author = {Barbara C Lippiatt and Rosalie T Ruegg}, title = {Energy prices and discount factors for life-cycle cost analysis 1991 ::annual supplement to NBS Handbook 135 and NBS Special Publication 709}, year = {1990}, month = {1990-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.85-3273-5}, language = {en}, }