TY - RPRT TI - Tabulation of published data on electron devices of the U.S.S.R. through December 1976 AU - Marsden, Charles P PY - 1978 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 78-1564 DO - 10.6028/NBS.IR.78-1564 ER -