TY - GEN AU - Marshall, Harold E AU - Ruegg, Rosalie T C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.HB.132 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Energy conservation in buildings: an economics guidebook for investment decisions: ER -