000 00328nam a2200133Ia 4500
008 200615s9999||||xx |||||||||||||| ||und||
020 _a9789332550230
082 _a621.3
_bSIG-A
100 _aALAN V.OPPENHEIM
245 0 _aSIGNALS AND SYETEMS
250 _aPAPERBACK; 1976
260 _anew delhi
_bPEARSON
_c2017
942 _cBK
999 _c29329
_d29329