000 00239nam a2200097Ia 4500
008 160710s1967 xx 000 0 und d
100 _aELECTRONICS WORLD
245 _aELECTRICAL WORLD,SEPT.
260 _bMC GRAW HILL
_c1967
942 _2ddc
_cB
999 _c40726
_d40726