000
00271nam a2200121 a 4500
003
EIA
001
9058
942
_0
2
_2
ddc
_c
BK
245
_a
Signals and systems. - 2 ed.
260
_c
c1997
008
141112s1997 ck r 000 u spa d
082
_a
621.3822
_b
O62s
_c
2ed
999
_c
12331
_d
12331