TY  - RPRT
TI  - Laboratory teats of a gas fueled modulating type hot water boiler 
AU  - Kweller, E R
PY  - 1985
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 85-3142
DO  - 10.6028/NBS.IR.85-3142
ER  -