000 00239nam a2200097Ia 4500
008 160710s1957 xx 000 0 und d
100 _aELECTRONICS
245 _aELECTRONICS, JUN-JUL NO. 6-7
260 _bMC GRAW HILL
_c1957
942 _2ddc
_cB
999 _c40587
_d40587