TY  - RPRT
TI  - National voluntary laboratory accreditation program: chemical calibration providers of proficiency testing 
AU  - Faison, C Douglas
AU  - M.Parris, Reenie
AU  - Rasberry, Stanley D
PY  - 1999
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST HB 150-19
DO  - 10.6028/NIST.HB.150-19
ER  -