TY - GEN AU - G E Kelly AU - W H Parken C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1978-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.77-1271 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1978 TI - Method of testing, rating and estimating the seasonal performance of central air-conditioners and heat pumps operating in the cooling mode: ER -