000 00454nam a2200181Ia 4500
008 160910s9999 xx 000 0 und d
020 _aNULL
040 _cSGVU Library
041 _cEng.
100 _aCouch, L.W.
245 _aDigital & analog communication systems 6/ed.
_cBy L.W. Couch
250 _aNULL
260 _aNULL
_bPearson Education Asia.
_cNULL
300 _aNULL
520 _aEngineering
650 _aElectronics
942 _cBOOKS
999 _c3982
_d3982