000 00306nam a2200097Ia 4500
008 161222s9999 xx 000 0 und d
100 _aLouis E. Frenzel
245 _aprinciples of electronic communication systems thired edition
_cLouis E. Frenzel
260 _aNew Delhi
_bTata Mc Graw Hill
_c2008
300 _a900
999 _c6057
_d6057