TY  - RPRT
TI  - Calculation of the heating value of a sample of high purity methane for use as a reference material. 
AU  - Armstrong, George Thomson
PY  - 1965
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 299
DO  - 10.6028/NBS.TN.299
ER  -