TY  - RPRT
TI  - The mass unit disseminated to surrogate laboratories using the NIST portable mass calibration package 
AU  - Rothleder, Joe
PY  - 1994
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 5290
DO  - 10.6028/NIST.IR.5290
ER  -