TY  - RPRT
TI  - Technical activities 1989 -- Nondestructive Evaluation 
AU  - Yolken, H Thomas
AU  - Mordfin, Leonard
PY  - 1989
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 89-4147
DO  - 10.6028/NIST.IR.89-4147
ER  -