000
00303nam a2200121Ia 4500
008
160710s1955 xx 000 0 und d
082
_a
TDC
100
_a
WASHBURN,SETH H.
245
_a
THE DESIGN OF SWITCHING CIRCUITS
260
_b
D.VAN NOSTRAND COMPANY,INC.
_c
1955
300
_a
556
942
_2
ddc
_c
B
999
_c
15906
_d
15906