TY  - RPRT
TI  - Heating values of natural gas and its components 
AU  - Armstrong, George T
AU  - Jobe, Thomas L
PY  - 1982
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 82-2401
DO  - 10.6028/NBS.IR.82-2401
ER  -