000
00266nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
537
100
_a
Mullard Ltd.
245
_a
Electronic counting circuits techniques devices
260
_b
_c
1967
942
_c
BK
_2
ddc
999
_c
1527
_d
1527