TY  - RPRT
TI  - Standard reference materials for combustion calorimetry 
AU  - Armstrong, George T
AU  - Johnson, Walter H
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-158
DO  - 10.6028/NBS.IR.73-158
ER  -