TY - RPRT TI - Development of power system measurements -- quarterly report April 1, 1983 to June 30, 1983 AU - Hebner, R E PY - 1984 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 84-2809 DO - 10.6028/NBS.IR.84-2809 ER -