TY - RPRT TI - Measurement techniques for high power semiconductor materials and devices : annual report, October 1, 1977 to September 30, 1978 AU - Oettinger, F F PY - 1979 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1756 DO - 10.6028/NBS.IR.79-1756 ER -