TY - RPRT TI - Energy Price Indices and Discount Factors for Life-Cycle Cost Analysis – 2015 Annual Supplement to NIST Handbook 135 AU - Lavappa, Priya D. AU - Kneifel, Joshua D. PY - 2015 PB - National Institute of Standards and Technology SN - NIST IR 85-3273-30 DO - 10.6028/NIST.IR.85-3273-30 ER -