TY - RPRT TI - An approach for measuring reductions in operations, maintenance, and energy costs: baseline measures of construction industry practices for the national construction goals AU - Chapman, Robert E AU - Rennison, Roderick PY - 1998 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6185 DO - 10.6028/NIST.IR.6185 ER -