TY  - RPRT
TI  - Method of testing, rating and estimating the seasonal performance of central air-conditioners and heat pumps operating in the cooling mode 
AU  - Kelly, G E
AU  - Parken, W H
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 77-1271
DO  - 10.6028/NBS.IR.77-1271
ER  -