TY  - ICOMM
AU  - John Barton
C1  - http://www.nist.gov/pml/wmd/index.cfm
C2  - NIST Office of Weights and Measures
DA  - 2015-12-15
LA  - en
PB  - NIST Office of Weights and Measures
PY  - 2015
TI  - Hopper Scales - Selecting the Appropriate Device
ER  -