TY - GEN AU - Rosalie T Ruegg AU - G Thomas Sav AU - Jeanne W Powell AU - E Thomas Pierce C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1982-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.82-2540 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1982 TI - Economic evaluation of solar energy systems in commercial buildings ::methodology and case studies ER -