000 00318nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a621.317
_bCHA
100 _aCharkey, Edward S
245 0 _aElectromechanical system components
260 _aNew York
_bJohn Wiley
_c1972
650 _aElectromechanics
942 _cBK
999 _c22382
_d22382