TY  - RPRT
TI  - Specifications, tolerances, and other technical requirements for weighing and measuring devices 
PY  - 1990
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST HB 44-1991
DO  - 10.6028/NIST.HB.44-1991
ER  -