TY - GEN AU - United States.Department Of Commerce AU - Estin, Arthur J, Ed. AU - TI - Precision measurement and calibration: selected NBS papers on electricity radio frequency U1 - 530.8 PY - 1970/// CY - Washington PB - Nbs Special Publication KW - Radio Frequency KW - Electricity N1 - A Compilation Of Previously Published Papers By The Staff Of The National Bureau Of Standards , Including Selected Abstracts By Nbs And Non- Nbs Authors. Issued In Several Volumes, See Page Iv ER -