000 00286nam a2200109Ia 4500
008 190826s9999 xx 000 0 und d
082 _a621.382 PRO
100 _aProakis, John G
245 0 _aFundamentals of communication systems
260 _aNew Delhi;
_bPearson,
_c2005
942 _cBOOK
999 _c54251
_d54251