000 00260nam a2200109Ia 4500
008 220201s2001 xx 000 0 eng d
100 _aOPPENHE, A.V. & WILLSKY, A.S.
245 0 _aSIGNALS & SYSTEM
260 _aDELHI
_bPHI
_c2001
300 _a957
942 _2ddc
999 _c68342
_d68342