000 00270nam a2200109Ia 4500
008 160710s1943 xx 000 0 und d
100 _aNILSON,A.R & HORNING,J.L
245 _aPRACTICAL RADIO COMMUNICATION
260 _bMCGRAW HILL
_c1943
300 _a927
942 _2ddc
_cB
999 _c6099
_d6099