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Technical Activities of the Office of Nondestructive Evaluation.
National Bureau of Standards, Washington, DC
NBSIR 80-2162,
November 1980,
116 p.
Yolken, H. T.
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Technical Activities, 1982, Office of Nondestructive Evaluation.
National Bureau of Standards, Washington, DC
NBSIR 82-2617,
December 1982,
185 p.