000 00258nam a2200109Ia 4500
008 160710s1927 xx 000 0 und d
100 _aMORECRAFT J.H
245 _aPRINCIPLES OF RADIO COMMUNICATION
260 _bWILEY
_c1927
300 _a1001
942 _2ddc
_cB
999 _c3353
_d3353