TY - GEN AU - Powell, Jeanne W C2 - Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.BSS.125 LA - en PB - Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - An Economic model for passive solar designs in commercial environments: ER -