TY  - RPRT
TI  - Economic analysis of improved efficiency for central air conditioners 
AU  - Petersen, Stephen R
AU  - Kelly, George E
AU  - Didion, David A
PY  - 1980
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 80-1993
DO  - 10.6028/NBS.IR.80-1993
ER  -