@misc{1198816, author = {H Thomas Yolken and Leonard Mordfin}, title = {Technical activities 1989 -- Nondestructive Evaluation:}, year = {1989}, month = {1989-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.89-4147}, language = {en}, }