000 00228 a2200097 4500
001 36519
100 _aZiemer R.E
245 _aIntroduction to digital communication
260 _aNew York
_bMacmillan
_c
090 _c23603
_d23603
942 _aNUST-CAE
_cM
_c15118
999 _c271592
_d271592