TY  - RPRT
TI  - Technical activities 1981 Office of Nondestructive Evaluation 
AU  - Berger, Harold
AU  - Mordfin, Leonard
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 82-2449
DO  - 10.6028/NBS.IR.82-2449
ER  -