TY - RPRT TI - Development of power system measurements -- quarterly report July 1, 1984 to September 30, 1984 AU - Hebner, R E PY - 1985 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 85-3111 DO - 10.6028/NBS.IR.85-3111 ER -