000 00309nam a2200133Ia 4500
100 _aOppenheim/A.V
942 _cBK
654 _asignal
245 _aSignals and system:continuous and discrete
260 _bMacmillan India
_aNew York
_c1989
082 _a621.3811
_bZIE
300 _a561
546 _aENGLISH
999 _c31463
_d31463