TY - GEN AU - Petersen, Stephen R AU - Kelly, George E AU - Didion, David A C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1980-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.80-1993 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1980 TI - Economic analysis of improved efficiency for central air conditioners: ER -