TY  - RPRT
TI  - Designs for the calibration of small groups of standards in the presence of drift 
AU  - Cameron, J M
PY  - 1974
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 844
DO  - 10.6028/NBS.TN.844
ER  -