000 00240 a2200097 4500
001 35848
100 _aStremler F G
245 _aIntroduction to communication systems
260 _aLondon
_bAddison Wesley Pub Co
_c
090 _c23458
_d23458
942 _aNUST-CAE
_cM
_c14956
999 _c270921
_d270921