000 00244nam a2200097Ia 4500
008 160710s1972 xx 000 0 und d
100 _aELECTRONICS WORLD
245 _aELECTRONICS WORLD,JAN.-FEB.
260 _bMC GRAW HILL
_c1972
942 _2ddc
_cB
999 _c40729
_d40729