TY  - RPRT
TI  - Selected laboratory and measurement practices, and procedures to support basic mass calibrations 
AU  - Harris, Georgia L
AU  - Torres, Jose A
PY  - 2003
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 6969r
DO  - 10.6028/NIST.IR.6969r
ER  -