000
00304pam a2200133a 44500
082
_a
621.38
_b
M615V
100
_a
245
1
_a
VACUUM-TUBE AND SEMICONDUCTOR ELECTRONICS
260
_a
_b
Mcgraw-Hill
_c
650
_a
Electron Tubes
650
_a
Semiconductors
964
_g
CIRC
997
_a
13601 s C
999
_c
448491
_d
448491