000
00290nam a2200121Ia 4500
008
220201s1977 xx 000 0 eng d
082
_b
VER
100
_a
Vertch Henry C
245
0
_a
Transistor circuit action
260
_a
New york
_b
Mc graw Book Co.
_c
1977
300
_a
392
942
_2
ddc
999
_c
17117
_d
17117