@conference{207656, author = {Jan Obrzut and Ahmed Hassan and Edward Garboczi}, title = {Free Space Microwave Non Destructive Characterization of Composite Materials}, year = {2015}, number = {2015}, month = {2015-05-04}, publisher = {Proceedings of the American Society for Non Destructive Testing, NDT of Composites 2015, May 4-6, 2015 Seattle, WA. , Seattle, WA}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=918256}, language = {en}, }