000 00349nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aMallory, P R
245 0 _aVibrator powr supply design
260 _bP R mallory and co
_aLondon
_c1947
300 _a129 p.
653 _aEngineering
942 _c1
999 _c35592
_d35592