000 00237nam a2200097Ia 4500
008 160710s1956 xx 000 0 und d
100 _aELECTRONICS
245 _aELECTRONICS, JUL-AUG NO.7-8
260 _bMCGRAW HILL
_c1956
942 _2ddc
_cB
999 _c40581
_d40581