000
00262nam a2200109Ia 4500
008
220201s1999 xx 000 0 eng d
100
_a
Oppenheim, AV & Willsky, AS
245
0
_a
Signals & systems
260
_b
Prentice Hall
_c
1999
300
_a
957
942
_2
ddc
999
_c
86886
_d
86886