000
nam a22 7a 4500
999
_c
118051
_d
118051
008
190919b xxu||||| |||| 00| 0 eng d
020
_a
0195686144
050
_a
TK5102.9
_b
.C44 2001
100
_a
Chen, Chi-Tsong
_9
39001
245
_a
Signals and systems
260
_a
Canada
_b
Oxford
_c
c2001.