000 00299nam a2200121Ia 4500
008 190722s9999 xx 000 0 und d
020 _a978-93-325-5023-0
100 _aAllan V. Oppenheim
245 0 _aSignals and sysytem
260 _aNew Delhi
_bPearson Education
_c2016
300 _a944
942 _cBK
999 _c250
_d250