@misc{56716, author = {Christopher McCowan and Thomas Siewert and D Vigliotti and C Wang}, title = {Secondary Ferrite Number Reference Materials: Gage Calibration and Assignment of Values}, year = {2000}, number = {No. 260}, month = {2000-02-01}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.260-141}, language = {en}, }