TY  - RPRT
TI  - Commercial standards monthly : monthly news bulletin of Commercial Standards Group, Bureau of Standards March 15, 1929
AU  - Tillman, S F
PY  - 1929
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CSM 48
DO  - 10.6028/NBS.CSM.48
ER  -