@misc{1187451, author = {Seymour Edelman and Steven C Roth and J Franklin Mayo-Wells}, title = {Investigation of two techniques for application in test methods for detecting defects in spacecraft thermal-protection material:}, year = {1975}, month = {1975-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.75-776}, language = {en}, }