000 00250nam a2200109Ia 4500
008 160710s1968 xx 000 0 und d
082 _aWRE
245 _aWRELESS WORLD
260 _bMCGRAW HILL BOOK COMPANY
_c1968
300 _aA 128
942 _2ddc
_cB
999 _c33743
_d33743