000 00279nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621.3022
_bSON
100 _aSoni, OP
245 0 _aElectrical engineeing design & drawing
260 _c1969
300 _a248
942 _2ddc
999 _c76486
_d76486