TY  - RPRT
TI  - Energy conservation potential of modular gas-fired boiler systems 
AU  - Kelly, G E
AU  - Didion, D A
PY  - 1975
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS BSS 79
DO  - 10.6028/NBS.BSS.79
ER  -