TY - RPRT TI - Development of power system measurements -- quarterly report January 1, 1983 to March 31, 1983 AU - Hebner, R E PY - 1983 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 83-2761 DO - 10.6028/NBS.IR.83-2761 ER -