@conference{763001, author = {Andrew Koffman and Yui-May Chang}, title = {Low-Frequency Impedance Calibrations at NIST}, year = {2000}, month = {2000-07-01 00:07:00}, publisher = {Proc. 2000 National Conference of Standards Laboratories Workshop and Symposium (NCSL), Toronto, 1, CA}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=21381}, language = {en}, }