TY - GEN AU - Rosalie T Ruegg AU - Stephen R Petersen C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1987-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.709 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1987 TI - Comprehensive guide for least-cost energy decisions: ER -