000 00221 a2200097 4500
001 28207
100 _aMarshall, J L
245 _aIntroduction to signal theory
260 _a
_bInternational
_c1965
090 _c18836
_d18836
942 _aNUST-CAE
_cM
_c9820
999 _c263280
_d263280