@article{762026, author = {Piotr Filipski and E. So and WJM. Moore and R Knight and Nile Oldham and Bryan Waltrip}, title = {An International Comparison of Low Audio Frequency Power Meter Calibrations Conducted in 1989}, year = {1991}, number = {40}, month = {1991-04-01 00:04:00}, publisher = {IEEE Transactions on Instrumentation and Measurement}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=25854}, language = {en}, }