000 00270nam a22001217a 4500
999 _c6206
_d6206
003 OSt
005 20231104020018.0
008 210319b ||||| |||| 00| 0 eng d
100 _aALAN, OPPENHEIM
245 _aSIGNALS AND SYSTEMS
260 _bPEARSON
942 _2ddc
_cGE
_01