TY - GEN AU - Priya D. Lavappa AU - Joshua D. Kneifel C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2015-06-01 04:06:00 DO - https://doi.org/10.6028/NIST.IR.85-3273-30 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2015 TI - Energy Price Indices and Discount Factors for Life-Cycle Cost Analysis â€" 2015 Annual Supplement to NIST Handbook 135: ER -