TY  - RPRT
TI  - A retuned horwitz procedure for upgrading certificates of older standard reference materials 
AU  - Sieber, John R
AU  - Epstein, Michael S
AU  - Possolo, Antonio M
PY  - 2019
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST SP 260-198
DO  - 10.6028/NIST.SP.260-198
ER  -