TY - RPRT TI - The National Measurement System for electricity AU - Belecki, Norman B AU - Dunfee, Bernadine L AU - Petersons, Oskars PY - 1978 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 75-935 DO - 10.6028/NBS.IR.75-935 ER -