TY - JOUR AU - Piotr Filipski AU - E. So AU - WJM. Moore AU - R Knight AU - Nile Oldham AU - Bryan Waltrip C2 - IEEE Transactions on Instrumentation and Measurement DA - 1991-04-01 00:04:00 LA - en M1 - 40 PB - IEEE Transactions on Instrumentation and Measurement PY - 1991 TI - An International Comparison of Low Audio Frequency Power Meter Calibrations Conducted in 1989 UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=25854 ER -