TY  - RPRT
TI  - The determination of density of mass standards; requirement and method 
AU  - Nater, Roland
PY  - 1994
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 5378
DO  - 10.6028/NIST.IR.5378
ER  -