000 00294nam a2200121Ia 4500
008 220201s1967 xx 000 0 eng d
082 _a621.3
100 _aParker smith
245 0 _aProblems in electrical engineering
260 _bAsia Publishing house
_c1967
300 _a370
942 _2ddc
999 _c73393
_d73393