TY  - RPRT
TI  - A basis for traceable NDE measurements 
AU  - Eitzen, D G
AU  - Berger, H
AU  - Birnbaum, G
PY  - 1980
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 80-2109
DO  - 10.6028/NBS.IR.80-2109
ER  -