000 00300nam a2200121Ia 4500
008 220201s1966 xx 000 0 eng d
082 _a621.381
_bGRA
100 _aGraff,Heinz
245 0 _aTechnical fundmentals electronics
260 _bAsia publication house
_c1966
300 _a155
942 _2ddc
999 _c73512
_d73512