TY  - GEN
AU  - Tillman, S F
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1929-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.CSM.51
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1929
TI  - Commercial Standards Monthly June 15, 1929:
ER  -