000 00319nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621.3
_bBUB
100 _aBuban & Schmitt
245 0 _aUnderstanding electricity & electronics
260 _bNew York ; Mc. Graw hill book co.
_c1969
300 _a438
942 _2ddc
999 _c75062
_d75062