TY  - GEN
AU  - Schwartz, Kathryn M
AU  - Smith, Ralph W
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1951-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.CIRC.501
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1951
TI  - Circular of the Bureau of Standards no. 501::federal and state weights an measures laws through 1949 enactments
ER  -