TY - GEN AU - Marshall, Harold E C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1983-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.82-2657 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1983 TI - Recommended practice for measuring net benefits and internal rates of return for investments in buildings and building systems: ER -