@article{899521, author = {Nicholas G. Paulter Jr. and Donald Larson and John Ely}, title = {Spherical Test Objects for Hand-held Metal Detector Characterization}, year = {2018}, number = {48}, month = {2018-09-12 04:09:00}, publisher = {Journal of Testing and Evaluation}, doi = {https://doi.org/10.1520/JTE20170339}, language = {en}, }