000
00234nam a2200109Ia 4500
020
_a
0074622447
082
_a
621.3815
100
_a
MILLMAN, JACAB
245
_a
PULSE DIGITAL AND SWITCHING W.F
260
_a
ND
_b
TMH
_c
1987
942
_c
BK
999
_c
4943
_d
4943