000 00310nam a2200121Ia 4500
008 160710s1956 xx 000 0 und d
082 _a621.38 EVE
100 _aANNER,W,L.
245 _aCOMMUNICATION ENGINEERING
260 _aNEW YORK
_bMCGRAW HILL BOOK COMPANY, INC.
_c1956
300 _a644
942 _2ddc
_cB
999 _c34606
_d34606