TY  - RPRT
TI  - Evaluating, Expressing, and Propagating Measurement Uncertainty for NIST Reference Materials 
AU  - Possolo, Antonio
PY  - 2020
PB  - National Institute of Standards and Technology
SN  - NIST SP 260-202
DO  - 10.6028/NIST.SP.260-202
ER  -