TY - RPRT TI - Energy price indices and discount factors for life-cycle cost analysis - April 2007 : annual supplement to NIST Handbook 135 and NBS Special Publication 709 AU - Rushing, Amy S AU - Lippiatt, Barbara C PY - 2007 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 85-3273-22 DO - 10.6028/NIST.IR.85-3273-22 ER -