TY  - RPRT
TI  - Circular of the Bureau of Standards no. 48 2nd edition: standard methods of gas testing
PY  - 1916
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 48e2
DO  - 10.6028/NBS.CIRC.48e2
ER  -