000 00304pam a2200133a 44500
082 _a621.38
_bM615V
100 _a
245 1 _aVACUUM-TUBE AND SEMICONDUCTOR ELECTRONICS
260 _a
_bMcgraw-Hill
_c
650 _aElectron Tubes
650 _aSemiconductors
964 _gCIRC
997 _a13612 s C
999 _c448492
_d448492